Add github action scripts

Author: glennawatson

.github/renovate.json

@@ -0,0 +1,4 @@
+{
+    "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+    "extends": ["local>reactiveui/.github:renovate"]
+}

.github/workflows/ci-build.yml

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+name: Build
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+# Needed so the reusable workflow can optionally delete the temp per-OS artifacts it creates.
+permissions:
+  contents: read
+  actions: write
+
+env:
+  productNamespacePrefix: "ReactiveUI.Binding"
+
+jobs:
+  build:
+    uses: reactiveui/actions-common/.github/workflows/workflow-common-setup-and-build.yml@main
+    with:
+      configuration: Release
+      productNamespacePrefix: "ReactiveUI.Binding"
+      installWorkloads: true
+    secrets:
+      CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

.github/workflows/lock.yml

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+name: 'Lock Threads'
+
+on:
+  schedule:
+    - cron: '0 0 * * *'
+  workflow_dispatch:
+
+permissions:
+  issues: write
+  pull-requests: write
+
+concurrency:
+  group: lock
+
+jobs:
+  action:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: dessant/lock-threads@v6
+        with:
+          github-token: ${{ github.token }}
+          issue-inactive-days: '14'
+          pr-inactive-days: '14'
+          issue-comment: >
+            This issue has been automatically locked since there
+            has not been any recent activity after it was closed.
+            Please open a new issue for related bugs.
+          pr-comment: >
+            This pull request has been automatically locked since there
+            has not been any recent activity after it was closed.
+            Please open a new issue for related bugs.