Contribution Info (#181)

.github/pull_request_template.md

@@ -1,3 +1,11 @@
+<!--
+Have you created an issue before opening a merge request???
+https://github.com/AbdBarho/stable-diffusion-webui-docker#contributing
+Please create one so we can discuss it, I don't want your effort to go to waste.
+-->
+
+Closes issue #
+
 ### Update versions
 
 - auto: https://github.com/AUTOMATIC1111/stable-diffusion-webui/commit/

.github/workflows/docker.yml

@@ -1,6 +1,12 @@
 name: Build Images
 
-on: [push]
+on:
+  push:
+    branches: master
+  pull_request:
+      paths:
+        - docker-compose.yml
+        - services
 
 jobs:
   build: