Setup monorepo from template

.github/workflows/build.yml

@@ -0,0 +1,23 @@
+on:
+  push:
+    branches:
+      - master
+    paths-ignore:
+      - '.*'
+      - '.*/**'
+  workflow_dispatch:
+    inputs:
+      package:
+        description: Which package or commit to build (default is HEAD commit)
+        required: false
+
+name: Build package
+run-name: ${{ github.event.head_commit.message || format('{0} (rebuild)', inputs.package) }}
+
+jobs:
+  build:
+    name: Build and deploy
+    uses: r-universe/workflows/.github/workflows/build.yml@v1
+    with:
+      package: ${{inputs.package}}
+    secrets: inherit

.github/workflows/cleanup.yml

@@ -0,0 +1,15 @@
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - master
+    paths:
+      - '.gitmodules'
+
+name: Cleanup package server
+
+jobs:
+  update:
+    name: Delete removed packages
+    uses: r-universe/workflows/.github/workflows/cleanup.yml@v1
+    secrets: inherit

.github/workflows/sync.yml

@@ -0,0 +1,18 @@
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - master
+    paths:
+      - '.github/workflows/sync.yml'
+
+name: Update universe
+
+# Do not launch new job before the old one is done
+concurrency: ${{ github.workflow }}
+
+jobs:
+  update:
+    name: Update submodules
+    uses: r-universe/workflows/.github/workflows/sync.yml@v1
+    secrets: inherit

.gitmodules

@@ -0,0 +1,5 @@
+[submodule ".registry"]
+	path = .registry
+	url = https://github.com/r-universe-org/cran-to-git
+	shallow = true
+	branch = HEAD