chore: update package version and dependencies

- Changed package version from 2.5.0 to 0.0.0.
- Updated Angular dependencies to version 19.2.0.
- Updated Angular CLI and build tools to version 19.2.12.
- Updated TypeScript version to 5.7.2.
- Updated jasmine-core version to 5.6.0.
- Removed unused app.component.scss file.
- Changed app.component.ts to use app.component.css instead of app.component.scss.
- Updated index.html title and removed unnecessary meta tags.
- Removed styles.scss file and created styles.css for global styles.
- Adjusted tsconfig.json to remove sourceMap and declaration options.

Author: manthanank

angular.json

@@ -5,11 +5,7 @@
   "projects": {
     "learn-angular": {
       "projectType": "application",
-      "schematics": {
-        "@schematics/angular:component": {
-          "style": "scss"
-        }
-      },
+      "schematics": {},
       "root": "",
       "sourceRoot": "src",
       "prefix": "app",
@@ -24,15 +20,14 @@
               "zone.js"
             ],
             "tsConfig": "tsconfig.app.json",
-            "inlineStyleLanguage": "scss",
             "assets": [
               {
                 "glob": "**/*",
                 "input": "public"
               }
             ],
             "styles": [
-              "src/styles.scss"
+              "src/styles.css"
             ],
             "scripts": []
           },
@@ -46,8 +41,8 @@
                 },
                 {
                   "type": "anyComponentStyle",
-                  "maximumWarning": "2kB",
-                  "maximumError": "4kB"
+                  "maximumWarning": "4kB",
+                  "maximumError": "8kB"
                 }
               ],
               "outputHashing": "all"
@@ -83,15 +78,14 @@
               "zone.js/testing"
             ],
             "tsConfig": "tsconfig.spec.json",
-            "inlineStyleLanguage": "scss",
             "assets": [
               {
                 "glob": "**/*",
                 "input": "public"
               }
             ],
             "styles": [
-              "src/styles.scss"
+              "src/styles.css"
             ],
             "scripts": []
           }