Add initial project structure with CMake configuration, source files, and README documentation for Unitree GO2 Custom Controller

.gitignore

@@ -0,0 +1,76 @@
+# Build directories
+build/
+bin/
+lib/
+*.so
+*.a
+
+# CMake
+CMakeCache.txt
+CMakeFiles/
+cmake_install.cmake
+Makefile
+*.cmake
+
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Fortran module files
+*.mod
+*.smod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app
+unitree_go2_custom
+
+# Debug files
+*.dSYM/
+*.su
+*.idb
+*.pdb
+
+# Log files
+*.log
+logs/
+
+# Configuration backups
+*.json.bak
+*.json.old
+
+# IDE files
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS files
+.DS_Store
+Thumbs.db
+
+# Temporary files
+*.tmp
+*.temp
+
+# Core dumps
+core
+core.*