make wiki sync happy part 1/2 (#371)

* make wiki sync happy

* fix lint error

.github/workflows/sync-wiki2.yaml

@@ -29,12 +29,17 @@ jobs:
       run: |
         git remote add technical-git https://github.com/rusefi/rusefi_documentation.git
         git fetch technical-git
+        if [ $(git diff technical-git/master | wc -l) -eq 0 ]; then
+        echo "skip=true" >> $GITHUB_ENV
+        exit 0
+        fi
         git config --local user.email "action@github.com"
         git config --local user.name "GitHub Action"
         git merge technical-git/master
 
     - name: Push changes rusefi/rusefi wiki
       uses: ad-m/github-push-action@master
+      if: ${{ env.skip != 'true' }}
       with:
         repository: rusefi/rusefi.wiki
         github_token: ${{ secrets.ACCESS_TOKEN }}

Vault-Of-Electronic-Throttle-Bodies-ETB.md

@@ -86,5 +86,4 @@ See [this forum thread](https://rusefi.com/forum/viewtopic.php?f=2&t=2077) TODO
 
 lots of useful information [here](https://www.maxxecu.com/webhelp/wirings-e-throttle_bodies.html)
 
-
 ![image](https://user-images.githubusercontent.com/48498823/211674693-a06cf764-6d03-4d50-a95d-8f6ecf566907.png)