Add ember-cli as dev dependency

So we can run generators etc.

package.json

@@ -2,10 +2,13 @@
   "name": "marco",
   "version": "1.8.1",
   "private": true,
-  "description": "Small description for marco goes here",
-  "repository": "",
-  "license": "MIT",
-  "author": "",
+  "description": "Unhosted maps app",
+  "repository": {
+    "type": "git",
+    "url": "git+https://gitea.kosmos.org/raucao/marco.git"
+  },
+  "license": "AGPL-3.0-only",
+  "author": "Râu Cao <raucao@kosmos.org>",
   "type": "module",
   "imports": {
     "#app/*": "./app/*",
@@ -57,6 +60,7 @@
     "babel-plugin-ember-template-compilation": "^3.0.1",
     "concurrently": "^9.2.1",
     "decorator-transforms": "^2.3.1",
+    "ember-cli": "^6.10.0",
     "ember-cli-deprecation-workflow": "^4.0.0",
     "ember-modifier": "^4.2.2",
     "ember-page-title": "^9.0.3",