chore: add test to confirm only gitea workflows run on gitea if github dir also exists

ref: #4 #1

.gitea/workflows/pull_request.yaml

@@ -0,0 +1,17 @@
+---
+
+name: Pull Requests
+
+
+on:
+  pull_request: {}
+
+jobs:
+
+  ci-test:
+    runs-on: ubuntu-latest
+    steps:
+
+      - name: Test
+        run: |
+          echo "gitea";

.github/workflows/pull_request.yaml

@@ -0,0 +1,17 @@
+---
+
+name: Pull Requests
+
+
+on:
+  pull_request: {}
+
+jobs:
+
+  ci-test:
+    runs-on: ubuntu-latest
+    steps:
+
+      - name: Test
+        run: |
+          echo "github";