chore: project setup and tooling cleanup (#26)

* add project setup

* add tools to eslint

* remove contributing.md

* update claude md

* chore: simplify CI to single Node.js version (22)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* use node 20

* adjust formatting

* fix linting

* format

* fix layout

* fix: align CI node version to .nvmrc (22), remove redundant gotcha

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

---------

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-authored-by: arkon <arkon.85@hotmail.com>

src/image-watcher.ts

@@ -24,15 +24,7 @@ export interface ImageWatcherEvents {
 // ========== Constants ==========
 
 /** Supported image file extensions (lowercase) */
-const IMAGE_EXTENSIONS = new Set([
-  '.png',
-  '.jpg',
-  '.jpeg',
-  '.gif',
-  '.webp',
-  '.bmp',
-  '.svg',
-]);
+const IMAGE_EXTENSIONS = new Set(['.png', '.jpg', '.jpeg', '.gif', '.webp', '.bmp', '.svg']);
 
 /** Time to wait for file writes to stabilize (ms) */
 const STABILITY_THRESHOLD_MS = 500;
@@ -171,7 +163,12 @@ export class ImageWatcher extends EventEmitter {
         // Ignore common heavy directories for performance
         ignored: (path: string) => {
           // Skip node_modules, .git, and other heavy directories
-          if (path.includes('/node_modules/') || path.includes('/.git/') || path.includes('/dist/') || path.includes('/.next/')) {
+          if (
+            path.includes('/node_modules/') ||
+            path.includes('/.git/') ||
+            path.includes('/dist/') ||
+            path.includes('/.next/')
+          ) {
             return true;
           }
           const ext = extname(path).toLowerCase();