Revert accidental move of index.md to images folder

This commit fixes the issue where index.md was moved to the images folder inadvertently. It restores the correct path for the document and adjusts the paths to the images within it, ensuring the images display correctly in the updated

Author: lipemorais

docs/images/index.md renamed to docs/index.md

@@ -209,7 +209,7 @@ def index(_request):
 ```
 
 So no you can use the command `task r` to start our django server, so you can access http://127.0.0.1:8000/ to see it.
-![my_first_api.png](my_first_api.png)
+![my_first_api.png](images/my_first_api.png)
 
 Until here we just looked at Django stuff. Now we will  dive into Django Rest Framework(DRF) stuff.
 
@@ -306,7 +306,7 @@ Now access http://127.0.0.1:8000/ to see your API working. 🥳
 
 Congratulations now you have your first api working.
 
-![first_api_working.png](first_api_working.png)
+![first_api_working.png](images/first_api_working.png)
 
 ## Lunch/Break
 
@@ -514,7 +514,7 @@ With everything set we can see it working live.
 
 Now we have 2 resources here, artists and albums
 
-![list-artist-album.png](list-artist-album.png)
+![list-artist-album.png](images/list-artist-album.png)
 
 I hope that at this time you understand the amount of shortcuts DRF gives you at the same time, if you want to customize it, it's still possible.