Add eslint rule and fix as many issues as possible

backend/src/controllers/v1/keyController.ts

@@ -1,6 +1,6 @@
-import { Request, Response } from 'express';
-import { Key } from '../../models';
-import { findMembership } from '../../helpers/membership';
+import { Request, Response } from "express";
+import { Key } from "../../models";
+import { findMembership } from "../../helpers/membership";
 
 /**
  * Add (encrypted) copy of workspace key for workspace with id [workspaceId] for user with
@@ -16,11 +16,11 @@ export const uploadKey = async (req: Request, res: Response) => {
   // validate membership of receiver
   const receiverMembership = await findMembership({
     user: key.userId,
-    workspace: workspaceId
+    workspace: workspaceId,
   });
 
   if (!receiverMembership) {
-    throw new Error('Failed receiver membership validation for workspace');
+    throw new Error("Failed receiver membership validation for workspace");
   }
 
   await new Key({
@@ -28,11 +28,11 @@ export const uploadKey = async (req: Request, res: Response) => {
     nonce: key.nonce,
     sender: req.user._id,
     receiver: key.userId,
-    workspace: workspaceId
+    workspace: workspaceId,
   }).save();
 
 	return res.status(200).send({
-		message: 'Successfully uploaded key to workspace'
+		message: "Successfully uploaded key to workspace",
 	});
 };
 
@@ -48,16 +48,16 @@ export const getLatestKey = async (req: Request, res: Response) => {
   // get latest key
   const latestKey = await Key.find({
     workspace: workspaceId,
-    receiver: req.user._id
+    receiver: req.user._id,
   })
     .sort({ createdAt: -1 })
     .limit(1)
-    .populate('sender', '+publicKey');
+    .populate("sender", "+publicKey");
 
 	const resObj: any = {};
 
 	if (latestKey.length > 0) {
-		resObj['latestKey'] = latestKey[0];
+		resObj["latestKey"] = latestKey[0];
 	}
 
 	return res.status(200).send(resObj);