adding worflow to trigger upstream-sync to all repos from this repo

.github/workflows/trigger-all-sync-upstream.yml

@@ -0,0 +1,56 @@
+name: Trigger-Localisation-Upstream-Sync-Builds
+
+on:
+  workflow_dispatch:
+     inputs:
+        Language:
+         description: "Select All languages to build"
+         required: false
+         type: choice
+         options:
+          - ALL
+        COUNTRY:
+         description: "Select individual language to build"
+         required: true
+         type: choice
+         options:
+           - PT-BR
+           - DE
+           - ES
+           - FR
+           - IT
+           - JA
+           - KO
+           - PL
+           - RU
+           - ZH
+
+
+jobs:
+
+  Trigger-Localisation-Upstream-Sync:
+     name:
+     runs-on: ubuntu-22.04
+     strategy:
+      matrix:
+        language: [PT-BR, DE, ES, FR, IT, JA, KO, PL, RU, ZH]
+     steps:
+      - name: Invoke Localisation Workflows
+        if: ${{ github.event.inputs.Language }} == 'ALL'
+        uses: benc-uk/workflow-dispatch@v1
+        with:
+          workflow: sync.yml
+          repo: YoYoGames/GameMaker-Manual-${{ matrix.language }}
+          token: ${{ secrets.GH_TOKEN }} 
+        continue-on-error: false 
+      - name: Invoke Localisation Workflows
+        if: ${{ matrix.language }} == ''
+        uses: benc-uk/workflow-dispatch@v1
+        with:
+          workflow: sync.yml
+          repo: YoYoGames/GameMaker-Manual-${{ matrix.language }}
+          token: ${{ secrets.GH_TOKEN }} 
+        continue-on-error: false         
+
+
+