Add Quick Notes example plugin demonstrating core plugin surfaces

Mirrors the Bookmarks example (PAP-3575) with a company-scoped note
library: database namespace, scoped API routes, page/sidebar/widget/
settings UI slots. All 7 tests pass.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

packages/plugins/examples/plugin-quick-notes-example/tsconfig.json

@@ -0,0 +1,27 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "lib": [
+      "ES2022",
+      "DOM"
+    ],
+    "jsx": "react-jsx",
+    "strict": true,
+    "skipLibCheck": true,
+    "declaration": true,
+    "declarationMap": true,
+    "sourceMap": true,
+    "outDir": "dist",
+    "rootDir": "."
+  },
+  "include": [
+    "src",
+    "tests"
+  ],
+  "exclude": [
+    "dist",
+    "node_modules"
+  ]
+}