Update to Angular v19 (#724)

* Switch to new Material "mat.theme()" system

* Improve A11y with focus-content

* Improve overall keyboard navigation

* Refactoring header component

* Update to ngx-echarts 19 (new API to setup library)

* Improve "color" demo

* Consolidate overall CSS styles

client/angular.json

@@ -8,7 +8,20 @@
       "schematics": {
         "@schematics/angular:component": {
           "style": "scss",
-          "viewEncapsulation": "None"
+          "viewEncapsulation": "None",
+          "skipTests": true
+        },
+        "@schematics/angular:directive": {
+          "skipTests": true
+        },
+        "@schematics/angular:pipe": {
+          "skipTests": true
+        },
+        "@schematics/angular:service": {
+          "skipTests": true
+        },
+        "@schematics/angular:guard": {
+          "skipTests": true
         }
       },
       "root": "",
@@ -24,7 +37,7 @@
       },
       "architect": {
         "build": {
-          "builder": "@angular-devkit/build-angular:application",
+          "builder": "@angular/build:application",
           "options": {
             "localize": true,
             "outputPath": "dist/client",
@@ -129,7 +142,7 @@
           "defaultConfiguration": "production"
         },
         "serve": {
-          "builder": "@angular-devkit/build-angular:dev-server",
+          "builder": "@angular/build:dev-server",
           "configurations": {
             "production": {
               "buildTarget": "client:build:production"
@@ -150,7 +163,7 @@
           "defaultConfiguration": "development"
         },
         "extract-i18n": {
-          "builder": "@angular-devkit/build-angular:extract-i18n"
+          "builder": "@angular/build:extract-i18n"
         },
         "lint": {
           "builder": "@angular-eslint/builder:lint",