v2: WIP support for slides

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diff --git a/v2/src/content/en/slide/rollouts.ps b/v2/src/content/en/slide/rollouts.ps
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+( Rollout, feature flag, experiment, operational toggle) title
+(Different use cases for backend, frontend and mobile ) authortwo
+showpage
+%%Page: 2 2
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+() n
+() n
+() n
+( "Feature flags" tend to come up when talking about continuous deployment) title
+showpage
+%%Page: 3 3
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+() n
+() n
+() n
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+() n
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+() n
+(CD: continuous deployment) authortwo
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+() n
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+(4. operational toggle) n
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+( For *rolling out* a new version of software) title
+(Short-lived using percentages) n
+(- a new deployment of kubernetes) n
+(- new APK released to the Play Store) n
+showpage
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+( For turning a feature *on* or *off* ) title
+(Medium-lived using allow list, A/B test, percentage, app version, etc.) n
+(- :new-chargeback-flow) n
+(- :new-debit-card-activation-screen) n
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+( Experiment) header
+( For analysing behaviour) title
+(Medium-lived using allow list and A/B test) n
+(- :debit-withdrawal-test) n
+showpage
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+( Operational toggle) header
+( For disabling features in #crash-like situations) title
+(Long-lived using percentage) n
+(- :bank-barcode-payment) n
+(- :savings-bank-barcode-query-provider) n
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+(We know know about the types) authortwo
+( But they have different relevance for backend, frontend and mobile) title
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+() n
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+(2. feature flag: ~common-rollout~ common-xp and datasets) n
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+(4. operational toggle: ~common-rollout~ common-xp ) n
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+( frontend) header
+() n
+() n
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+(2. feature flag: percentages and maybe IPs \(no :customer/id on the website\)) n
+(3. experiment: via dynamic backend control) n
+(4. operational toggle: via dynamic backend control ) n
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+() n
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+(3. experiment: via dynamic backend control) n
+(4. operational toggle: via dynamic backend control ) n
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+() n
+() n
+(Key differentiator is) authortwo
+( how much *control* we have over the environment) title
+showpage
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+( backend) header
+( full control) title
+showpage
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+( frontend) header
+( partial control) title
+(We choose when to make a new version available ) n
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+( mobile) header
+( very limited control) title
+(- app stores can restrict updates \(worse for iOS\)) n
+(- customers still have to download new versions ) n
+showpage
+%%Page: 17 17
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+( Costs) title
+(- more complex code) n
+(- compatibility with old app versions) n
+(- nesting is exponential) n
+showpage
+%%Page: 18 18
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+( Benefits) title
+(- dynamicity) n
+showpage
+%%Page: 19 19
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+( weighting costs × benefits) header
+( The less control we have, the more we value dynamicity ) title
+showpage
+%%Page: 20 20
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+( weighting costs × benefits) header
+() n
+() n
+() n
+(- backend: sometimes worth the cost) n
+(- frontend: almost always worth the cost) n
+(- mobile: *always* worth the cost) n
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+%%Page: 21 21
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+() n
+() n
+() n
+( Best practices) title
+showpage
+%%Page: 22 22
+s
+( dynamic content > feature flag) title
+(Always true for mobile, almost always for frontend ) n
+showpage
+%%Page: 23 23
+s
+( Use :include-list for named groups ) title
+(Always true for backend, frontend and mobile ) n
+bs
+({:rules) cn
+( #{{:types   :include-list) cn
+(    :content {:filename "debit-team-members.txt"}}}}) cn
+be
+showpage
+%%Page: 24 24
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+( Always use :app-version) title
+(Only for mobile) n
+bs
+({:rules) cn
+( #{{:types   :app-version) cn
+(    :content {:min-version #{{:platform :android) cn
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+( Extend ~common-rollout~ common-xp if required) title
+(That's how :include-list, :app-version, etc. were born) n
+showpage
+%%Page: 26 26
+s
+( Beware of many nested feature flags) title
+(True for backend, frontend and mobile) n
+showpage
+%%Page: 27 27
+s
+( Don't delete app-facing feature flags) title
+(True for mobile) n
+showpage
+%%Page: 28 28
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+() n
+() n
+() n
+( Include a feature flag on the whiteboarding phase) title
+showpage
+%%Page: 29 29
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+() n
+() n
+() n
+( Include deleting/retiring the feature flag at the end) title
+showpage
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+( Avoid renaming a feature flag) title
+(Use :app-version with :min-version instead) n
+showpage
+%%Page: 31 31
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+() n
+() n
+() n
+( And most importantly...) title
+showpage
+%%Page: 32 32
+s
+( *Always* rely on a feature flag on the app) title
+(Never do a hotfix, avoid expedited releases at all costs) n
+showpage
+%%Page: 33 33
+s
+( References) header
+() n
+(1. "Feature Toggles \(aka Feature Flags\)", by Pete Hodgson) n
+(2. "Continuous integration vs. delivery vs. deployment", by Sten Pittet) n
+(3. Accelerate, by N. Forsgren, J. Humble and G. Kim) n
+(4. these slides: euandre.org/slide/) n
+(5. prose version of this presentation) n
+(6. view source) n
+
+showpage
+
+%%EOF