ref(flags): restructure generic api and integration docs (#12768)

* ref(flags): reword generic api and integration, fix generic api snippet

* Extra line

Co-authored-by: Bruno Garcia <bruno@brunogarcia.com>

* Revert generic snippet

* extra line

* Rm `

---------

Co-authored-by: Bruno Garcia <bruno@brunogarcia.com>

docs/platforms/javascript/common/feature-flags/index.mdx

@@ -30,14 +30,17 @@ description: With Feature Flags, Sentry tracks feature flag evaluations in your
 
 ## Enable Evaluation Tracking
 
-Evaluation tracking requires enabling an SDK integration. Integrations are provider specific. Documentation for supported providers is listed below.
+If you use a third-party SDK to evaluate feature flags, you can enable a Sentry SDK integration to track those evaluations. Integrations are provider specific. Documentation for supported SDKs is listed below.
 
-- [Generic](/platforms/javascript/configuration/integrations/featureflags/)
 - [LaunchDarkly](/platforms/javascript/configuration/integrations/launchdarkly/)
 - [OpenFeature](/platforms/javascript/configuration/integrations/openfeature/)
 - [Statsig](/platforms/javascript/configuration/integrations/statsig/)
 - [Unleash](/platforms/javascript/configuration/integrations/unleash/)
 
+### Generic Integration
+
+The generic `featureFlagsIntegration` allows you to manually track feature flag evaluations. Read the [documentation](/platforms/javascript/configuration/integrations/featureflags/) to learn more.
+
 ## Enable Change Tracking
 
 <PlatformContent includePath="feature-flags/change-tracking-list" />

docs/platforms/python/feature-flags/index.mdx

@@ -12,9 +12,8 @@ description: With Feature Flags, Sentry tracks feature flag evaluations in your
 
 ## Enable Evaluation Tracking
 
-Evaluation tracking typically requires enabling an SDK integration. Integrations are provider specific. Documentation for supported providers is listed below.
+If you use a third-party SDK to evaluate feature flags, you can enable a Sentry SDK integration to track those evaluations. Integrations are provider specific. Documentation for supported SDKs is listed below.
 
-- [Generic (API)](/platforms/python/feature-flags/#generic-api)
 - [LaunchDarkly](/platforms/python/integrations/launchdarkly/)
 - [OpenFeature](/platforms/python/integrations/openfeature/)
 - [Statsig](/platforms/python/integrations/statsig/)
@@ -28,6 +27,7 @@ users to integrate with proprietary (or otherwise unsupported) feature flagging
 solutions.  **At the moment, we only support boolean flag evaluations.**
 
 ```python
+import sentry_sdk
 from sentry_sdk.feature_flags import add_feature_flag
 
 add_feature_flag('test-flag', False)  # Records an evaluation and its result.

platform-includes/feature-flags/change-tracking-list/_default.mdx

@@ -1,5 +1,5 @@
 Change tracking requires registering a Sentry webhook with a feature flag provider. For set up instructions, visit the documentation for your provider:
-* [Generic](/organization/integrations/feature-flag/generic/#change-tracking)
 * [LaunchDarkly](/organization/integrations/feature-flag/launchdarkly/#change-tracking)
 * [Statsig](/organization/integrations/feature-flag/statsig/#change-tracking)
 * [Unleash](/organization/integrations/feature-flag/unleash/#change-tracking)
+* [Generic](/organization/integrations/feature-flag/generic/#change-tracking)