chore: add .gitignore to ignore build artifacts and binaries

.gitignore

@@ -1,3 +1,37 @@
+# Node
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+package-lock.json
+
+# Tauri / Rust
+/target/
+/src-tauri/binaries/
+/src-tauri/target/
+
+# Local build artifacts
+/dist/
+/build/
+
+# FFmpeg / downloaded binaries
+/ffmpeg/bin/
+
+# Editor / OS files
+.vscode/
+.DS_Store
+Thumbs.db
+
+# Logs and temp
+*.log
+*.tmp
+
+# Generated by tools
+/tools/*.cache
+
+# Misc
+*.tgz
+.env
 # Logs
 logs
 *.log