Added ESLint configuration and update dependencies; enhance index.html with font links

angular.json

@@ -91,7 +91,15 @@
               "src/styles.scss"
             ]
           }
-        }
+        },
+        "lint": {
+          "builder": "@angular-eslint/builder:lint",
+          "options": {
+            "lintFilePatterns": [
+              "src/**/*.ts",
+              "src/**/*.html"
+            ]
+          }
       }
     }
   }