Fix image name

Author: akme

.github/workflows/docker-ubuntu-image.yml

@@ -3,7 +3,7 @@ name: Build Docker Ubuntu Image
 on:
   push:
     branches:
-      - '*'
+      - 'master'
 
 env:
   REGISTRY: ghcr.io

docker/README.md

@@ -2,11 +2,11 @@
 Dockerfile for The Open Network Node
 
 #### Install
-```docker pull newton-blockchain/ton-node```
+```docker pull ghcr.io/newton-blockchain/ton```
 #### Create volume
 ```docker volume create ton-db```
 #### Run
-```docker run -d --name ton-node --mount source=ton-db,target=/var/ton-work/db --network host -e "PUBLIC_IP=<YOUR_PUBLIC_IP>" -e "CONSOLE_PORT=<TCP-PORT1>" -e "LITESERVER=true" -e "LITE_PORT=<TCP-PORT2>" -it newton-blockchain/ton-node```
+```docker run -d --name ton-node --mount source=ton-db,target=/var/ton-work/db --network host -e "PUBLIC_IP=<YOUR_PUBLIC_IP>" -e "CONSOLE_PORT=<TCP-PORT1>" -e "LITESERVER=true" -e "LITE_PORT=<TCP-PORT2>" -it ghcr.io/newton-blockchain/ton```
 
 
 If you don't need Liteserver, then remove -e "LITESERVER=true".