Update readme's, branches and actions

.gitignore

@@ -1,13 +1,50 @@
+# Environment and secrets
 .env
-/*.env
-transit_api/.env
-error_log_api/.env
+.env.*
+!.env.example
+**/.env
+**/.env.*
+!**/.env.example
 
-# Local build / node_modules
+# Node.js
+node_modules/
 admin_ui/node_modules/
 admin_ui/dist/
+coverage/
+dist/
+build/
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
 
-# Sensitive docs to keep private
+# Flutter / Dart
+**/.dart_tool/
+**/.pub-cache/
+**/.pub/
+**/build/
+**/.flutter-plugins
+**/.flutter-plugins-dependencies
+
+# Database and local artifacts
+*.sqlite
+*.sqlite3
+*.db
+dump.sql
+
+# Certificates and keys
+*.pem
+*.key
+*.crt
+*.p12
+
+# OS/editor files
+.DS_Store
+.vscode/
+.idea/
+
+# Sensitive project docs
 ADMIN_DEPLOYMENT_SUMMARY.md
 CI_CD_PORTAINER_GUIDE.md
 DEPLOYMENT.md
@@ -17,7 +54,7 @@ INTERNAL_*.md
 SETUP_*.md
 DEPLOY_*.md
 
-# Custom instruction files (private)
+# Private instructions and tooling files
 .instructions.md
 .prompt.md
 .agent.md
@@ -25,15 +62,26 @@ SKILL.md
 copilot-instructions.md
 AGENTS.md
 
-# Private scripts
+# Local/private scripts
 scripts/private/
 scripts/*.local.*
 scripts/.env
 
-# Private timetable note
+# Project-specific private notes
 transit_api/LOCAL_BUS_TIMETABLE_README.md
 
-# Runtime files
-*.log
-*.sqlite3
-.DS_Store
+# Deprecated app backups and legacy artifacts
+deprecated/build/
+deprecated/.dart_tool/
+deprecated/.pub-cache/
+deprecated/.idea/
+deprecated/.vscode/
+
+# Runtime logs
+auth_api.log
+transit_api.log
+error_log_api.log
+
+# Temporary files
+tmp/
+temp/