Add update-docs workflow

Signed-off-by: Thomas Lauf <thomas.lauf@tngtech.com>

.github/workflows/update-docs.yml

@@ -0,0 +1,41 @@
+name: Update docs on ti.net
+on:
+  workflow_dispatch:
+  release:
+    types:
+      - published
+jobs:
+  trigger:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v2
+      - name: Trigger remote workflow to update docs
+        run: |
+          repo_owner="GothenburgBitFactory"
+          repo_name="ti.net"
+          event_type="update-docs"
+          version="${{ github.event.release.tag_name }}"
+
+          # Collect .adoc documentation files
+          doc_filenames=$(find doc/man1 -name '*.adoc' -type f; find doc/man7 -name '*.adoc' -type f)
+
+          # Format doc_filenames with double quotes and commas
+          formatted_doc_filenames="[ $(echo ${doc_filenames} | sed 's/\S\+/\"&\",/g; s/,$//') ]"
+
+          base64_encoded_files=()
+          while IFS= read -r filename; do
+              base64_encoded_file=$(base64 "${filename}" | tr -d '\n')
+              base64_encoded_files+=("\"${base64_encoded_file}\"")
+          done <<< "${doc_filenames}"
+
+          # Format encoded_file_contents with quotes and commas
+          formatted_encoded_file_contents="[ $(IFS=,; echo "${base64_encoded_files[*]}") ]"
+
+          curl -L \
+              -X POST \
+              -H "Accept: application/vnd.github+json" \
+              -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
+              -H "X-GitHub-Api-Version: 2022-11-28" \
+              https://api.github.com/repos/${repo_owner}/${repo_name}/dispatches \
+              -d "{\"event_type\": \"$event_type\", \"client_payload\": {\"version\": \"${version}\", \"doc_filenames\": ${formatted_doc_filenames}, \"encoded_file_contents\": ${formatted_encoded_file_contents} }}"