Update Unity framework to version 1.1.4

The build directory contains temporary build artifacts that are
regenerated by build_xcframework.sh and upgrade_framework.sh scripts.
These files should not be tracked in version control.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,8 @@
+# Build output
+build/
+
+# macOS
+.DS_Store
+
+# Backup directories
+backup_*/

UnityFramework.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'UnityFramework'
-  s.version          = '1.0.8'
+  s.version          = '1.1.4'
   s.summary          = 'Unity iOS Framework for Flutter integration (XCFramework with simulator support)'
   s.description      = 'Unity iOS framework packaged as XCFramework for Flutter projects. Includes simulator support for development.'
   s.homepage         = 'https://gitea.sdws.shop/xim/flutter_unity_pod'