feat: Improve configuration management and enhance user experience

- Refactored configuration handling in `main.go` to streamline processes and improve structure.
- Added new methods for better management of configuration files.
- Enhanced user feedback with distinct color-coded success and warning messages.
- Updated build scripts for improved error handling and output clarity.
- Enhanced documentation in `README.md` to clarify usage guidelines and system compatibility.

This commit focuses on refining configuration processes and improving overall user interaction with the tool.

.gitignore

@@ -0,0 +1,28 @@
+# Binary files
+app.exe
+cursor-id-modifier-linux
+cursor-id-modifier-macos
+cursor-id-modifier-*
+*.exe
+*.dll
+*.so
+*.dylib
+
+# Build directories
+bin/
+releases/
+scripts/
+
+# IDE
+.vscode/
+
+# Go specific
+go.sum
+
+# Temporary files
+*.tmp
+*~
+
+# System files
+.DS_Store
+Thumbs.db