Cleanup the readme

sda/cmd/api/api.md

@@ -1,22 +1,25 @@
 # API
+
 The API service provides data submitters with functionality to control
-their submissions. Users are authenticated with a JWT. 
+their submissions. Users are authenticated with a JWT.
 
 ## Service Description
 
 Endpoints:
-  - `/files`
-
-    1. Parses and validates the JWT token against the public keys, either locally provisioned or from OIDC JWK endpoints.
-    2. The `sub` field from the token is extracted and used as the user's identifier
-    3. All files belonging to this user are extracted from the database, together with their latest status and creation date
-
-     Example:
-      ```bash
-      $ curl 'https://server/files' -H "Authorization: Bearer $token"
-    [{"inboxPath":"requester_demo.org/data/file1.c4gh","fileStatus":"uploaded","createAt":"2023-11-13T10:12:43.144242Z"}] 
-    ```
-     If the `token` is invalid, 401 is returned.
+
+- `/files`
+  1. Parses and validates the JWT token against the public keys, either locally provisioned or from OIDC JWK endpoints.
+  2. The `sub` field from the token is extracted and used as the user's identifier
+  3. All files belonging to this user are extracted from the database, together with their latest status and creation date
+
+    Example:
+
+    ```bash
+    $ curl 'https://server/files' -H "Authorization: Bearer $token"
+  [{"inboxPath":"requester_demo.org/data/file1.c4gh","fileStatus":"uploaded","createAt":"2023-11-13T10:12:43.144242Z"}] 
+  ```
+
+  If the `token` is invalid, 401 is returned.
 
 ### Admin endpoints