Add .gitignore for Solar2D project

.gitignore

@@ -0,0 +1,63 @@
+# Solar2D / Corona SDK specific
+*.debug.lua
+*.build/
+*.CoronaLiveServer
+
+# Build outputs
+*.apk
+*.aab
+*.ipa
+*.app
+*.zip
+build/
+dist/
+
+# IDE specific files
+.vscode/
+.idea/
+*.sublime-*
+*.code-workspace
+
+# OS generated files
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+Desktop.ini
+
+# Temporary files
+*.tmp
+*.temp
+*.log
+*.bak
+*.swp
+*~
+
+# Local configuration
+.env
+config.local.lua
+secrets.lua
+
+# Analytics and crash reports
+analytics/
+crashlytics/
+
+# Android Studio
+*.iml
+.gradle/
+local.properties
+.cxx/
+
+# Xcode
+xcuserdata/
+*.xcworkspace/xcuserdata/
+DerivedData/
+
+# Certificate and provisioning files (security)
+*.mobileprovision
+*.p12
+*.cer
+*.certSigningRequest