(@asegers) Add deployment config

.gitlab-ci.yml

+image: node:8.12.0
+pages:
+  cache:
+    paths:
+      - node_modules/
+  script:
+    - npm install -g @angular/cli@7.1.2
+    - npm install
+    - npm run buildProd
+  artifacts:
+    paths:
+      - public
+  only:
+    - master
+    - pages

angular.json

@@ -16,7 +16,7 @@
         "build": {
           "builder": "@angular-devkit/build-angular:browser",
           "options": {
-            "outputPath": "dist/single-page-application",
+            "outputPath": "public",
             "index": "src/index.html",
             "main": "src/main.ts",
             "polyfills": "src/polyfills.ts",

package.json

@@ -7,7 +7,8 @@
     "build": "ng build",
     "test": "ng test",
     "lint": "ng lint",
-    "e2e": "ng e2e"
+    "e2e": "ng e2e",
+    "buildProd": "ng build --base-href=/angular-countries-assignment/"
   },
   "private": true,
   "dependencies": {