Finished WindowAPI for the frontend

WindowAPI/dist/helper/functions/Getter.d.ts

@@ -0,0 +1,15 @@
+export interface Getters {
+    title(): Promise<string>;
+    size(): Promise<{
+        width: number;
+        height: number;
+    }>;
+    position(): Promise<{
+        x: number;
+        y: number;
+    }>;
+    maximized(): Promise<boolean>;
+    minimized(): Promise<boolean>;
+    draggable(): Promise<boolean>;
+    resizable(): Promise<boolean>;
+}