docs(blog): Add article Feature Flagging in the SDLC (#2178)

Signed-off-by: Thomas Poignant <[email protected]>

website/blog/2024-08-02-feature-flagging-in-the-SDLC/index.md

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+---
+title: Feature Flagging in the SDLC
+description: Feature Flagging in the Software Development Lifecycle - Follow the life of a feature flag from birth to retirement.
+authors: [thomaspoignant]
+tags: [openfeature,SDLC,Slides,Presentation]
+---
+**Thomas** recently delivered a presentation on Feature Flagging in the Software Development Lifecycle (SDLC) for OpenFeature. Given the presentation's public availability, we are pleased to share the slides with you.
+
+Effective management of the feature flag lifecycle is crucial for maximizing the value of feature flags within an organization.
+
+This presentation is covering the following key areas:
+- **Feature flag lifecycle:** Understanding the complete journey of a feature flag.
+- **Roles and responsibilities:** Identifying who owns each phase of the lifecycle.
+- **Feature flag naming conventions:** Best practices for clear and consistent flag identification.
+- **Preventing flag debt:** Strategies for avoiding the accumulation of unused or obsolete flags.
+- **Involving project managers:** The importance of project management collaboration in feature flag initiatives.
+
+By understanding these concepts, you can optimize your feature flagging strategy and drive business success.
+
+<iframe src="https://docs.google.com/presentation/d/e/2PACX-1vSt-lZkiFpntGRWB-FZ0IFMFZlWrd6kk1tjjNrh1r4oDn19C32-lFGq4qxFZbfQmaSf6MUnTZJyAtsT/embed?start=false&loop=false&delayms=3000" frameborder="0" width="960" height="569" allowfullscreen="true" mozallowfullscreen="true" webkitallowfullscreen="true"></iframe>