Add obs workflows

- Build release builds
- Rebuild unstable builds after pushing to master
- Test pull requests

Signed-off-by: Björn Bidar <bjorn.bidar@thaodan.de>

.obs/workflows.yml

@@ -0,0 +1,31 @@
+build_release:
+  steps:
+    - trigger_services:
+        project: home:Thaodan:emacs
+        package: emacs-pdf-tools
+  filters:
+    event: tag_push
+    branches:
+      only:
+        - master
+test_pull_requests:
+  steps:
+    - link_package:
+        source_project: home:Thaodan:emacs:unstable
+        source_package: emacs-pdf-tools
+        target_project: home:Thaodan:emacs:unstable:ci
+  filters:
+    event: pull_request
+    branches:
+      ignore:
+        - master
+rebuild_master:
+  steps:
+    - trigger_services:
+        project: home:Thaodan:emacs:unstable
+        package: emacs-pdf-tools
+  filters:
+    event: push
+    branches:
+      only:
+        - master