Update note about ARM64 docker image + add docker hub links (#799)

README.md

@@ -109,7 +109,9 @@ performance reasons.
 
 ### Docker
 
-#### NOTE: For ARM64/ARM support, please use [unixfox's image](https://quay.io/repository/unixfox/nitter?tab=tags), more info [here](https://github.com/zedeus/nitter/issues/399#issuecomment-997263495)
+Page for the Docker image: https://hub.docker.com/r/zedeus/nitter
+
+#### NOTE: For ARM64 support, please use the separate ARM64 docker image: [`zedeus/nitter:latest-arm64`](https://hub.docker.com/r/zedeus/nitter/tags).
 
 To run Nitter with Docker, you'll need to install and run Redis separately
 before you can run the container. See below for how to also run Redis using
@@ -122,6 +124,8 @@ docker build -t nitter:latest .
 docker run -v $(pwd)/nitter.conf:/src/nitter.conf -d --network host nitter:latest
 ```
 
+Note: For ARM64, use this Dockerfile: [`Dockerfile.arm64`](https://github.com/zedeus/nitter/blob/master/Dockerfile.arm64).
+
 A prebuilt Docker image is provided as well:
 
 ```bash