fix: small renamings

Author: arpadgabor

Diff for: content/backend/first-backend.md renamed to content/backend/building-a-backend.md

@@ -1,5 +1,5 @@
 ---
-title: Your first backend
+title: Building a Backend
 ---
 
 As part of the Guidebook, we will work on a small project. The project will first entail a complete backend service that will later be used on the frontend.
@@ -8,7 +8,7 @@ As part of the Guidebook, we will work on a small project. The project will firs
 
 Jimmy is looking to buy a home, however it's difficult to keep track of all the homes he wishes to see, good and bad points of each home, prices and so on. He noticed that his friends also had this problem at some point, so he decided that he wants to create a simple app where people can keep track of homes they are looking to buy.
 
-Your task is to build a simple backend service that will handle all server-side operations for the service. You will also need to [build a frontend](/frontend/first-frontend) for this service, so you can first build the backend, or build them both in parallel.
+Your task is to build a simple backend service that will handle all server-side operations for the service. You will also need to [build a frontend](/frontend/building-a-frontend) for this service, so you can first build the backend, or build them both in parallel.
 
 ## Requirements
 

Diff for: content/backend/servers.md

@@ -13,7 +13,7 @@ Most of the work you will be doing when working on the backend is related to ser
 Before we can start our first server, let's discuss more about [ports](/fundamentals/the-web#ports). Ports are like a door through which messages can pass. When you create a server, you need to allow it to receive and send messages, this is done through a process called **port binding**. But let's understand this better with an example:
 
 ```js
-// you'll see above how the `server` is actually created
+// you'll see below how the `server` is actually created
 server.listen(3000)
 ```
 
@@ -69,4 +69,4 @@ Try opening the specified URL in the browser. What do you see?
 
 ## Next steps
 
-Here we just touched to surface. You can now continue and learn about [Requests and Responses](/backend/requests). Once that is clear, you should learn what [REST API's](/backend/rest-api) are, how they work and how to structure your API's so they are easy to use, predictible and cosnsitent. Finally, you will start using a [Database](/backend/databases), which you will then use to build a full-fledged [server API](/backend/first-backend).
+Here we just touched to surface. You can now continue and learn about [Requests and Responses](/backend/requests). Once that is clear, you should learn what [REST API's](/backend/rest-api) are, how they work and how to structure your API's so they are easy to use, predictible and cosnsitent. Finally, you will start using a [Database](/backend/databases), which you will then use to build a full-fledged [server API](/backend/building-a-backend).

Diff for: content/frontend/building-a-frontend.md

@@ -0,0 +1,5 @@
+---
+title: Building a Frontend
+---
+
+As a continuation of the [Backend](/backend/building-a-backend) project, you will now be tasked to build an accompanying web client application.