Updates dockerignore and woodpecker files

.dockerignore

@@ -0,0 +1,3 @@
+**/node_modules/
+**/dist
+.git

.woodpecker.yaml

@@ -1,6 +1,13 @@
+when:
+  branch: main
+  event:
+    - push
 steps:
   - name: build
-    image: node:18-alpine
-    commands:
-      - npm install
-      - npm run build
+    image: woodpeckerci/plugin-docker-buildx
+    settings:
+      repo: git.halfbinary.net/${CI_REPO_OWNER}/prettyplayerfe
+      registry: git.halfbinary.net
+      tags: latest
+      username: ${docker_username}
+      password: ${docker_password}