feat(web): update app title and metadata

- Change app title from "Headlines Toolkit" to "Flutter News App" in index.html
- Update manifest.json with new name "Veritas" and modified description

Author: fulleni

web/index.html

@@ -27,7 +27,7 @@
   <!-- Favicon -->
   <link rel="icon" type="image/png" href="favicon.png">
 
-  <title>Headlines Toolkit</title>
+  <title>Flutter News App</title>
   <link rel="manifest" href="manifest.json">
   <style id="splash-screen-style">
     html {

web/manifest.json

@@ -1,11 +1,11 @@
 {
-    "name": "Headlines Toolkit",
-    "short_name": "Headlines Toolkit",
+    "name": "Veritas",
+    "short_name": "Veritas",
     "start_url": ".",
     "display": "standalone",
     "background_color": "#FFFFFF",
     "theme_color": "#FFFFFF",
-    "description": "Develop News Headlines Apps Rapidly & Reliably.",
+    "description": "Unfiltered news from trusted sources around the world.",
     "orientation": "portrait-primary",
     "prefer_related_applications": false,
     "icons": [