Adds initial readme and gitignore.

.gitignore

@@ -0,0 +1,84 @@
+# OS artifacts
+.DS_Store
+Thumbs.db
+
+# Editor / IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# Python virtual environments (if any shared tools use Python)
+venv/
+.env/
+.env.*
+
+# Node / Yarn (if any asset tools use JS)
+node_modules/
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions
+
+# Logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Build outputs (general)
+build/
+dist/
+out/
+tmp/
+temp/
+
+# Compiled binaries (if any helper tools are built locally)
+*.o
+*.obj
+*.dll
+*.so
+*.dylib
+*.exe
+
+# CMake
+CMakeFiles/
+CMakeCache.txt
+cmake_install.cmake
+Makefile
+
+# Docker
+# (We do NOT ignore Dockerfiles or scripts)
+docker-compose.override.yml
+*.tar
+*.img
+*.layer
+
+# Generated toolchain artifacts
+toolchain/
+sdk/
+cache/
+downloads/
+
+# macOS metadata
+.AppleDouble
+.LSOverride
+
+# Backup files
+*~
+*.bak
+*.old
+*.orig
+
+# Temporary editor files
+*.tmp
+*.temp
+
+# Archives
+*.zip
+*.7z
+*.tar.gz
+*.tar.bz2
+*.tar.xz