Add eslint rule and fix as many issues as possible

backend/src/types/express/index.d.ts

@@ -1,16 +1,11 @@
-import * as express from 'express';
-import { Types } from 'mongoose';
-import { 
-	IUser,
-	IServiceAccount,
-	IServiceTokenData,
-	ISecret 
-} from '../../models';
-import {
-	AuthData
-} from '../../interfaces/middleware';
+import { Types } from "mongoose";
 
-declare module 'express' {
+
+import {
+	AuthData,
+} from "../../interfaces/middleware";
+
+declare module "express" {
 	interface Request {
 		user?: any;
 	}

backend/src/types/secret/index.d.ts

@@ -1,7 +1,5 @@
-import { Types } from "mongoose";
 import { Assign, Omit } from "utility-types";
 import { ISecret } from "../../models";
-import { mongo } from "mongoose";
 
 // Everything is required, except the omitted types
 export type CreateSecretRequestBody = Omit<