Add create asset functionality to API

api/v1/create_output.php

@@ -0,0 +1,34 @@
+<?php
+/*
+ * API - create_output.php
+ * Included on calls to create.php endpoints
+ * Checks the status of the insert SQL query ($insert_sql)
+ * Returns success data / fail messages
+ */
+
+// Check if the insert query was successful
+if($insert_sql){
+  $insert_id = $mysqli->insert_id;
+  if(isset($insert_id) && is_numeric($insert_id)){
+    // Insert successful
+    $return_arr['success'] = "True";
+    $return_arr['count'] = '1';
+    $return_arr['data'][] = [
+      'insert_id' => $insert_id
+    ];
+  }
+  // We shouldn't get here
+  else{
+    $return_arr['success'] = "False";
+    $return_arr['message'] = "Auth success but insert failed, possibly database connection. Seek support if this error continues.";
+  }
+}
+
+// Query returned false, something went wrong or it was declined due to required variables missing
+else{
+  $return_arr['success'] = "False";
+  $return_arr['message'] = "Auth success but insert query failed, ensure required variables are provided and database schema is up-to-date.";
+}
+
+echo json_encode($return_arr);
+exit();