Release v2026.08.31-154239

chore: target Android 16 (API 36) and optimize release build

Update targetSdk from 35 to 36 to meet Google Play API requirements.
Enable resource shrinking and refine ProGuard rules for better code
obfuscation across Compose, OSMDroid, and Play Services. Bump version
to 1.0.2 (versionCode 3). Add location disclosure dialog before
requesting permissions.

🤖 Generated with Codebuff
Co-Authored-By: Codebuff <noreply@codebuff.com>