Add basic file deletion logic

resources/assets/scripts/api/server/files/deleteElement.ts

@@ -0,0 +1,14 @@
+import {withCredentials} from "@/api/http";
+import {ServerApplicationCredentials} from "@/store/types";
+
+/**
+ * Deletes files and/or folders from the server. You should pass through an array of
+ * file or folder paths to be deleted.
+ */
+export function deleteElement(server: string, credentials: ServerApplicationCredentials, items: Array<string>): Promise<any> {
+    return new Promise((resolve, reject) => {
+        withCredentials(server, credentials).post('/v1/server/file/delete', { items })
+            .then(resolve)
+            .catch(reject);
+    })
+}