Publish ARMv7 multi-arch Docker image

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

README.md

@@ -203,10 +203,10 @@ Pre-built multi-arch images available:
 
 ```bash
 docker pull danaildr/webssh:latest
-docker pull danaildr/webssh:0.4.0
+docker pull danaildr/webssh:0.5.1
 ```
 
-Supported architectures: `linux/amd64`, `linux/arm64`
+Supported architectures: `linux/amd64`, `linux/arm64`, `linux/arm/v7`
 
 ## Security Notes
 
@@ -228,10 +228,11 @@ docker-compose up -d --build
 ### Build for Docker Hub (Multi-arch)
 
 ```bash
-./docker-build-and-push.sh --build
+docker login
+./deployment/scripts/docker-build-and-push.sh --build
 ```
 
-This builds and pushes both `linux/amd64` and `linux/arm64` images with tags `latest` and version tag.
+This builds and pushes `linux/amd64`, `linux/arm64`, and `linux/arm/v7` images with tags `latest` and the configured version tag.
 
 ### Version Management