workflow: Add workflow files for ci

This patch adds workflow files for ci:

[schedule_work.yml]
 - The workflow file for scheduled work
 - Sync the repo with upstream repo and rebase the workflow branch
 - Review the patches in the patchwork and creates the PR if needed

[ci.yml]
 - The workflow file for CI tasks
 - Run CI tests when PR is created

Signed-off-by: Tedd Ho-Jeong An <tedd.an@intel.com>

.github/workflows/ci.yml

@@ -0,0 +1,40 @@
+name: CI
+
+on: [pull_request]
+
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+    name: CI for Pull Request
+    steps:
+    - name: Checkout the source code
+      uses: actions/checkout@v2
+      with:
+        path: src
+
+    - name: Checkout the BlueZ source code
+      uses: actions/checkout@v2
+      with:
+        repository: BluezTestBot/bluez
+        path: bluez
+
+    - name: Create output folder
+      run: |
+        mkdir results
+
+    - name: CI
+      uses: BluezTestBot/action-kernel-ci@main
+      with:
+        src_path: src
+        bluez_path: bluez
+        output_path: results
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        email_token: ${{ secrets.EMAIL_TOKEN }}
+        patchwork_token: ${{ secrets.PATCHWORK_TOKEN }}
+
+    - name: Upload results
+      uses: actions/upload-artifact@v2
+      with:
+        name: tester-logs
+        path: results/
+        if-no-files-found: warn

.github/workflows/schedule_work.yml

@@ -0,0 +1,35 @@
+name: Scheduled Work
+
+on:
+  schedule:
+  - cron: "20 * * * *"
+
+jobs:
+  sync_repo:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+    - name: Sync Repo
+      uses: BluezTestBot/action-manage-repo@master
+      with:
+        src_repo: "bluez/bluetooth-next"
+        for_upstream_branch: 'for-upstream'
+        workflow_branch: 'workflow'
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+
+  sync_patchwork:
+    needs: sync_repo
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+
+    - name: Sync Patchwork
+      uses: BluezTestBot/action-patchwork-to-pr@master
+      with:
+        pw_exclude_str: 'BlueZ'
+        base_branch: 'workflow'
+        github_token: ${{ secrets.ACTION_TOKEN }}