Created Actions workflow for nvim container build.

.gitea/workflows/neovim_container_docker_build.yml

@@ -4,11 +4,12 @@ name: Build and Push Docker Image
 on:
   push:
     branches:
+      - main
       - master
-    # tags:
+    tags:
-    #   - "v*" # triggers when you push a tag like v1.0.0
+      - "v*" # triggers when you push a tag like v1.0.0
-    # paths:
+    paths:
-    #   - "**/Dockerfile"
+      - "**/Dockerfile"
 
   workflow_dispatch: # manual run button