Update README.md

Added section with Docker Hub. This should allow people to run Yotter even if they can't build the Dockerfile on their computer.

README.md

@@ -114,7 +114,8 @@ You can test this new version.
 9. Go to "http://localhost:5000/" and enjoy.
 
 ### Using Docker:
-A quick deployment
+##### Building using the Dockerfile
+> (May not work on Windows)
 
 1. Install Docker:
     - `https://docs.docker.com/engine/install/`
@@ -133,6 +134,15 @@ A quick deployment
     
 6. Go to "http://localhost:5000/" and enjoy.
 
+##### Pulling image from Docker Hub
+1. Install Docker:
+    - `https://docs.docker.com/engine/install/`
+
+2. Run the container:
+    - `docker run -p 5000:5000 sn0wed/yotter:ghbuild`
+    
+3. Go to "http://localhost:5000/" and enjoy.
+
 ### 🔗 Hosting on a server:
 
 #### [VISIT THIS FILE FOR INSTRUCTIONS](https://github.com/pluja/Yotter/blob/dev-indep/SELF-HOSTING.md)