ci: optimize docker workflow with path filters

Author: nathfavour

.github/workflows/docker-publish.yml

@@ -3,6 +3,12 @@ name: Build and Push Docker Image
 on:
   push:
     branches: [ "master" ]
+    paths-ignore:
+      - '**.md'
+      - 'docs/**'
+      - '.gitignore'
+      - '.dockerignore'
+      - 'litefs.yml'
 
 env:
   REGISTRY: ghcr.io