Add customs tablet frontend prototype

.gitignore

@@ -1,16 +1,208 @@
+# ==============================
+# Python
+# ==============================
 __pycache__/
 *.py[cod]
+*$py.class
+*.so
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# Virtual environments
 .venv/
+venv/
+ENV/
+env/
+.virtualenv/
+.virtenv/
+
+# uv package manager
+uv-cache/
+
+# Python testing
+.pytest_cache/
+.coverage
+.coverage.*
+htmlcov/
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# ==============================
+# Node.js / npm
+# ==============================
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+# ==============================
+# Next.js (Frontend)
+# ==============================
+.next/
+out/
+build/
+dist/
+.vercel/
+*.tsbuildinfo
+next-env.d.ts
+
+# ==============================
+# IDEs & Editors
+# ==============================
+# VSCode
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+
+# JetBrains IDEs (IntelliJ, PyCharm, WebStorm, etc.)
+.idea/
+*.iml
+*.ipr
+*.iws
+.idea_modules/
+
+# Vim/Neovim
+*.swp
+*.swo
+*~
+.netrwhist
+
+# Emacs
+*~
+\#*\#
+.\#*
+*.elc
+
+# Sublime Text
+*.sublime-project
+*.sublime-workspace
+
+# ==============================
+# macOS
+# ==============================
 .DS_Store
 ._*
 .AppleDouble
+.LSOverride
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
 
-# Local runtime logs and temporary files
+# ==============================
+# Windows
+# ==============================
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+*.stackdump
+[Dd]esktop.ini
+$RECYCLE.BIN/
+*.lnk
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+*.lnk
+
+# ==============================
+# Linux
+# ==============================
+*~
+.fuse_hidden*
+.directory
+.Trash-*
+.nfs*
+
+# ==============================
+# Local runtime & temporary files
+# ==============================
 *.log
+*.log.*
 *.pid
+*.seed
+*.pid.lock
 timeout
-
-# Local backup copies
+*.tmp
+*.temp
+*.cache
 *.bak
 *.bak.*
 *.bak2
+*.swp
+*.swo
+
+# ==============================
+# Application specific
+# ==============================
+# Database
+*.db
+*.sqlite
+*.sqlite3
+*.db-shm
+*.db-wal
+
+# Environment files
+.env
+.env.*
+!.env.example
+!.env.local.example
+*.local
+
+# ==============================
+# ROS2 / Robotics
+# ==============================
+install/
+log/
+build/
+*/install/
+*/log/
+*/build/
+*.bag
+*.bag.active
+
+# ==============================
+# Misc
+# ==============================
+# Sensitive data (adjust patterns as needed)
+*.pem
+*.key
+*.crt
+*.secret
+secrets/
+
+# Large binary files (adjust as needed)
+*.tar
+*.tar.gz
+*.zip
+*.rar
+*.7z
+
+# Generated documentation
+docs/_build/
+site/