bump to v2.2

README.md

···
 
 ## How to Run
 
-### From Docker:
+### From Docker
 
 ```bash
 docker run -p 8080:8080 \
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     -e SIMPLELINK_USER=[e-mail] \
     -e SIMPLELINK_PASS=your-secure-password \
     -v simplelink_data:/data \
-    ghcr.io/waveringana/simplelink:v2.1
+    ghcr.io/waveringana/simplelink:v2.2
 ```
 
 ### Environment Variables
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 If `SIMPLELINK_USER` and `SIMPLELINK_PASS` are not passed, an admin-setup-token is pasted to the console and as a text file in the project root.
 
-### From Docker Compose:
+### From Docker Compose
 
 Edit the docker-compose.yml file. It comes included with a PostgreSQL db configuration.
 

docker-compose.yml

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       - shortener-network
 
   app:
-    image: ghcr.io/waveringana/simplelink:v2.1
+    image: ghcr.io/waveringana/simplelink:v2.2
     container_name: shortener-app
     ports:
       - "8080:8080"