Implemented the Play Store readiness pass.

docs/PLAY_STORE_RELEASE.md

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+# Google Play Release Checklist
+
+This project is configured to build Google Play compatible Android App Bundles.
+
+## Current Project Readiness
+
+- Package name: `net.rodakot.ngxhttpmonitoringclient`
+- Minimum SDK: 24
+- Target SDK: 36
+- Version: `VERSION_NAME` / `VERSION_CODE` in `gradle.properties`
+- Release build: R8 minification enabled, resource shrinking enabled
+- App data backup: disabled for app data, databases, shared preferences, and files
+- Release signing: read from environment variables or `local.properties`
+
+## Create An Upload Key
+
+Create an upload keystore outside the repository:
+
+```powershell
+keytool -genkeypair `
+  -v `
+  -keystore "C:\secure\keys\ngx-monitor-upload.jks" `
+  -storetype JKS `
+  -keyalg RSA `
+  -keysize 4096 `
+  -validity 10000 `
+  -alias ngx-monitor-upload
+```
+
+Copy `local.properties.example` to `local.properties` and set:
+
+```properties
+NGX_RELEASE_STORE_FILE=C:\Users\meghdad\keystores\ngx-monitor-upload.jks
+NGX_RELEASE_STORE_PASSWORD=<redacted>
+NGX_RELEASE_KEY_ALIAS=ngx-monitor-upload
+NGX_RELEASE_KEY_PASSWORD=<redacted>
+```
+
+Do not commit `local.properties` or the keystore.
+
+## Build Release Artifacts
+
+Unsigned release sanity build:
+
+```powershell
+$env:GRADLE_USER_HOME='C:\Users\meghdad\AndroidStudioProjects\NGXhttpMonitoringClient\.gradle-user'
+.\gradlew.bat :app:bundleRelease --console=plain
+```
+
+Signed upload bundle, after signing values are configured:
+
+```powershell
+$env:GRADLE_USER_HOME='C:\Users\meghdad\AndroidStudioProjects\NGXhttpMonitoringClient\.gradle-user'
+.\gradlew.bat :app:bundleRelease --console=plain
+```
+
+Output:
+
+```text
+app/build/outputs/bundle/release/app-release.aab
+```
+
+## Before Uploading To Play Console
+
+1. Create the app in Play Console.
+2. Enable Play App Signing.
+3. Upload `app-release.aab`.
+4. Fill the store listing using `fastlane/metadata/android/en-US`.
+5. Upload phone screenshots and a 1024x500 feature graphic.
+6. Host `docs/PRIVACY_POLICY.md` as a public web page and paste that URL into Play Console.
+7. Complete Data Safety using `docs/PLAY_STORE_DATA_SAFETY.md`.
+8. Complete Content Rating. Suggested category: utility/productivity/server monitoring.
+9. Complete Target Audience. This app is for server administrators, not children.
+10. Run an internal test release before production.
+
+## Release Version Bump
+
+For every Play upload, increment `VERSION_CODE` in `gradle.properties`.
+
+Example:
+
+```properties
+VERSION_CODE=2
+VERSION_NAME=1.0.1
+```
+
+## Official References
+
+- Google Play target API requirements: https://support.google.com/googleplay/android-developer/answer/11926878
+- Android app signing: https://developer.android.com/studio/publish/app-signing
+- Build and upload an Android App Bundle: https://developer.android.com/guide/app-bundle
+- Google Play Data safety: https://support.google.com/googleplay/android-developer/answer/10787469