wip: Construct API

packs/BP/scripts/lib/AddonAPIKit/APIController.js

@@ -0,0 +1,13 @@
+export class APIController {
+    #endpoints;
+    
+    constructor(endpoints) {
+        if (this.constructor === APIController)
+            throw new Error("Cannot instantiate abstract class 'APIController'");
+        this.#endpoints = endpoints;
+    }
+
+    get endpoints() {
+        return this.#endpoints;
+    }
+}