convert wetty from submodule to normal directory

wetty/.github/workflows/pull-requests.yml

@@ -0,0 +1,23 @@
+---
+name: Run tests
+on:
+  pull_request:
+jobs:
+  test:
+    name: Build & Test
+    uses: ./.github/workflows/build-and-test.workflow.yml
+
+  validate-docker:
+    name: Validate Docker Build
+    uses: ./.github/workflows/docker.workflow.yml
+    strategy:
+      matrix:
+        platform:
+          - linux/amd64
+          - linux/arm/v6
+          - linux/arm/v7
+          - linux/arm64
+    secrets: inherit
+    with:
+      platforms: ${{ matrix.platform }}
+      push: false