diff --git a/.gitignore b/.gitignore
index 1af6512..43d0e14 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,5 +21,4 @@ data.json
 # Exclude macOS Finder (System Explorer) View States
 .DS_Store
 
-.hotreload
 .claude
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
new file mode 100644
index 0000000..857ccb9
--- /dev/null
+++ b/CONTRIBUTING.md
@@ -0,0 +1,24 @@
+# Contributing
+
+Thanks for your interest in contributing!
+
+## Bug reports
+
+Open an issue with steps to reproduce and expected vs actual behavior.
+
+## Pull requests
+
+1. Fork the repository
+2. Create a feature branch
+3. Make your changes
+4. Run `npm run build` and `npx eslint .` to verify
+5. Test in Obsidian
+6. Submit a PR with a clear description
+
+## Development
+
+```bash
+npm install
+npm run dev    # Watch mode
+npm run build  # Production build
+```