Initial commit: notification-elements-demo app

Interactive Angular 19 demo for @sda/notification-elements-ui with
6 sections: Bell & Feed, Notification Center, Inbox, Comments &
Threads, Mention Input, and Full-Featured layout. Includes mock
data, dark mode toggle, and real-time event log.

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

node_modules/bl/package.json

@@ -0,0 +1,37 @@
+{
+  "name": "bl",
+  "version": "4.1.0",
+  "description": "Buffer List: collect buffers and access with a standard readable Buffer interface, streamable too!",
+  "license": "MIT",
+  "main": "bl.js",
+  "scripts": {
+    "lint": "standard *.js test/*.js",
+    "test": "npm run lint && node test/test.js | faucet"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/rvagg/bl.git"
+  },
+  "homepage": "https://github.com/rvagg/bl",
+  "authors": [
+    "Rod Vagg <rod@vagg.org> (https://github.com/rvagg)",
+    "Matteo Collina <matteo.collina@gmail.com> (https://github.com/mcollina)",
+    "Jarett Cruger <jcrugzz@gmail.com> (https://github.com/jcrugzz)"
+  ],
+  "keywords": [
+    "buffer",
+    "buffers",
+    "stream",
+    "awesomesauce"
+  ],
+  "dependencies": {
+    "buffer": "^5.5.0",
+    "inherits": "^2.0.4",
+    "readable-stream": "^3.4.0"
+  },
+  "devDependencies": {
+    "faucet": "~0.0.1",
+    "standard": "^14.3.0",
+    "tape": "^4.11.0"
+  }
+}