initial updates

.gitignore

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+# =========================
+# OS / filesystem junk
+# =========================
+
+# macOS
+.DS_Store
+.AppleDouble
+.LSOverride
+._*
+.Spotlight-V100
+.Trashes
+
+# Windows
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+Desktop.ini
+
+# Linux / BSD
+*~
+.nfs*
+.fuse_hidden*
+.directory
+
+# =========================
+# Editor / IDE noise
+# =========================
+
+# Vim
+*.swp
+*.swo
+*.swn
+*.un~
+Session.vim
+
+# Emacs
+*~
+\#*\#
+.\#*
+
+# VS Code
+.vscode/
+!.vscode/extensions.json
+
+# JetBrains
+.idea/
+*.iml
+
+# =========================
+# Build / tooling artifacts
+# =========================
+
+# Generic build output
+/build/
+/dist/
+/out/
+/obj/
+
+# C / C++
+*.o
+*.a
+*.so
+*.dylib
+*.dll
+
+# Go
+*.test
+*.exe
+
+# Rust
+target/
+
+# =========================
+# Runtime / local state
+# =========================
+
+# Logs
+*.log
+
+# PID / socket files
+*.pid
+*.sock
+
+# Temp files
+tmp/
+temp/
+
+# =========================
+# Language / tooling caches
+# =========================
+
+# Python
+__pycache__/
+*.py[cod]
+.env
+.venv/
+pip-wheel-metadata/
+
+# Node / JS
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# =========================
+# Repo-specific sanity
+# =========================
+
+# Allow keeping empty dirs with .keep
+!.keep