Added armv7 support.

Author: shajen

.github/workflows/main.yml

@@ -2,7 +2,7 @@ on: push
 
 env:
   IMAGE: ${{ secrets.DOCKER_HUB_USERNAME }}/sdr-scanner
-  PLATFORMS: linux/arm64/v8,linux/amd64
+  PLATFORMS: linux/arm/v7,linux/arm64/v8,linux/amd64
   CACHE_FROM: type=registry,ref=${{ secrets.DOCKER_HUB_USERNAME }}/sdr-scanner:cache
   CACHE_TO: type=registry,ref=${{ secrets.DOCKER_HUB_USERNAME }}/sdr-scanner:cache,mode=max