Monitor and announces changes to models and perms

Monitors changes to docs/models.yml and docs/perms.yml.
If changes were made and merged github actions will create an issue
and assign the maintainers of the subprojects to ackknowledge the
changes.

.github/announcement_templates/updates-to-models.md

@@ -0,0 +1,29 @@
+---
+title: The models.yml got updated
+assignees: tsiegleauq, ostcar, normanjaeckel, jsangmeister, r-peschke, GabrielInTheWorld
+labels: documentation, OpenSlides4, meta
+---
+
+# Changes to `models.yml` have just been added to OpenSlides
+
+Please acknowledge the recent changes to `models.yml` and update your projects accordingly.
+
+### Current `models.yml`
+[docs/models.yml]({{ env.GITHUB_SERVER_URL }}/{{ env.GITHUB_REPOSITORY }}/blob/master/docs/models.yml)
+
+### Corresponding Commit:
+[{{ env.GITHUB_SHA }}]({{ env.GITHUB_SERVER_URL }}/{{ env.GITHUB_REPOSITORY }}/commit/{{ env.GITHUB_SHA }})
+
+## Affected Projects
+
+### Backend
+https://github.com/OpenSlides/openslides-backend
+
+### Client
+https://github.com/OpenSlides/openslides-client
+
+### Autoupdate
+https://github.com/OpenSlides/openslides-autoupdate-service
+
+### Manage
+https://github.com/OpenSlides/openslides-manage-service

.github/announcement_templates/updates-to-permissions.md

@@ -0,0 +1,29 @@
+---
+title: The permission.yml got updated
+assignees: tsiegleauq, ostcar, normanjaeckel, jsangmeister, r-peschke, GabrielInTheWorld
+labels: documentation, OpenSlides4, meta
+---
+
+# Changes to `permission.yml` have just been added to OpenSlides
+
+Please acknowledge the recent changes to `permission.yml` and update your projects accordingly.
+
+### Current `permission.yml`
+[docs/permission.yml]({{ env.GITHUB_SERVER_URL }}/{{ env.GITHUB_REPOSITORY }}/blob/master/docs/permission.yml)
+
+### Corresponding Commit:
+[{{ env.GITHUB_SHA }}]({{ env.GITHUB_SERVER_URL }}/{{ env.GITHUB_REPOSITORY }}/commit/{{ env.GITHUB_SHA }})
+
+## Affected Projects
+
+### Backend
+https://github.com/OpenSlides/openslides-backend
+
+### Client
+https://github.com/OpenSlides/openslides-client
+
+### Autoupdate
+https://github.com/OpenSlides/openslides-autoupdate-service
+
+### Manage
+https://github.com/OpenSlides/openslides-manage-service

.github/workflows/announce-model-updates.yml

@@ -0,0 +1,25 @@
+---
+name: Announce model updates
+on:
+  push:
+    branches:
+      - openslides4-dev
+      # - master
+    paths:
+      - 'docs/models.yml'
+
+jobs:
+  announce-update:
+    name: 'Announce updates to models.yml'
+    if: ${{ github.event.pull_request.merged }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v2
+
+      - name: Create Issue
+        uses: JasonEtco/create-an-issue@v2
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          filename: .github/announcement_templates/updates-to-models.md

.github/workflows/announce-permission-updates.yml

@@ -0,0 +1,25 @@
+---
+name: Announce permission updates
+on:
+  push:
+    branches:
+      - openslides4-dev
+      # - master
+    paths:
+      - 'docs/permission.yml'
+
+jobs:
+  announce-update:
+    name: 'Announce updates to permission.yml'
+    if: ${{ github.event.pull_request.merged }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v2
+
+      - name: Create Issue
+        uses: JasonEtco/create-an-issue@v2
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          filename: .github/announcement_templates/updates-to-permissions.md