rename index.js to main.js

remove unused imports in main.js,
add function prototypes to db.js

db.js

@@ -0,0 +1,20 @@
+/**
+ * called at app startup, can be used to initialize any variables needed for database access
+ */
+function init () {}
+
+/**
+ * user requests additional resources specified in k-v pairs
+ * @param {string} user user's proxmox username in the form username@authrealm
+ * @param {Object} resources k-v pairs with resource name as keys and resource ammount as values
+ */
+function requestResources (user, resources) {}
+
+/**
+ * user releases allocated resources specified in k-v pairs
+ * @param {string} user user's proxmox username in the form username@authrealm
+ * @param {Object} resources k-v pairs with resource name as keys and resource ammount as values
+ */
+function releaseResources (user, resources) {}
+
+module.exports = {init, requestResources, releaseResources};

main.js

@@ -8,8 +8,7 @@ const axios = require('axios');
 var api = require("./package.json");
 
 const {pveAPI, pveAPIToken, listenPort} = require("./vars.js");
-const { token } = require("morgan");
-const { response } = require("express");
+const {init, requestResources, releaseResources} = require("./db.js");
 
 const app = express();
 app.use(helmet());

package.json

@@ -2,7 +2,7 @@
 	"name": "proxmoxaas-api",
 	"version": "0.0.1",
 	"description": "REST API for ProxmoxAAS",
-	"main": "index.js",
+	"main": "main.js",
 	"dependencies": {
 		"axios": "^1.3.2",
 		"body-parser": "^1.20.1",