ci: add update-docs workflow

.github/workflows/global-replicator.yml

@@ -179,4 +179,22 @@ jobs:
           committer_username: asyncapi-bot
           committer_email: [email protected]
           commit_message: "ci: update of files from global .github repo"
+          bot_branch_name: bot/update-files-from-global-repo 
+
+  replicate_docs_workflow:
+    if: startsWith(github.repository, 'asyncapi/')
+    name: Replicate update-docs workflow to repositories
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Replicating file
+        uses: derberg/manage-files-in-multiple-repositories@beecbe897cf5ed7f3de5a791a3f2d70102fe7c25
+        with: 
+          github_token: ${{ secrets.GH_TOKEN }}
+          patterns_to_include: .github/workflows/update-docs-on-docs-commit.yml
+          topics_to_include: autogenerate-docs
+          committer_username: asyncapi-bot
+          committer_email: [email protected]
+          commit_message: "ci: update of files from global .github repo"
           bot_branch_name: bot/update-files-from-global-repo 

.github/workflows/update-docs-on-docs-commit.yml

@@ -0,0 +1,42 @@
+# This workflow is centrally managed in https://github.com/asyncapi/.github/
+# Don't make changes to this file in this repo as they will be overwritten with changes made to the same file in above mentioned repo
+
+# The given workflow is responsible for generating docs and creating PR with them when there is a commit with docs: prefix
+
+# This workflow will be updated in all repos with the topic autogenerate-docs
+
+name: 'Update generated parts of documentation on docs: commits'
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  docs-gen:
+    name: 'Generate docs and create PR'
+    runs-on: ubuntu-latest
+    # PR should be created within this GH action only if it is a docs: commit
+    # Otherwise it will conflict with release workflow
+    if: startsWith(github.event.commits[0].message, 'docs:')
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+      - name: Setup Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18
+      - name: Install dependencies
+        run: npm ci
+      - name: Regenerate docs
+        run: npm run generate:assets
+      - name: Create Pull Request with updated docs
+        uses: peter-evans/create-pull-request@v5
+        with:
+          token: ${{ secrets.GH_TOKEN }}
+          commit-message: 'chore: update generated docs'
+          committer: asyncapi-bot <[email protected]>
+          author: asyncapi-bot <[email protected]>
+          title: 'chore: update generated docs'
+          body: 'Update of docs that are generated and were forgotten on PR level.'
+          branch: gen-docs-update