added first mac workflow

a first test...

.github/workflows/build-project-mac.yml

@@ -13,7 +13,7 @@ jobs:
         os: [macos-10.15]
         include:
           - os: macos-10.15
-            zip_name: ubuntu_tnc
+            zip_name: mac_tnc
             generator: Unix Makefiles
 
     steps:
@@ -58,7 +58,7 @@ jobs:
           make
           
           
-      - name: Build Linux Daemon
+      - name: Build macOS pyinstaller
         if: matrix.os == 'macos-10.15'
         working-directory: tnc
         run: |      
@@ -109,6 +109,7 @@ jobs:
       - name: Create app bundle
         shell: bash
         run: |
+          mkdir gui-bundle
           cp ./gui/dist/FreeDATA*.dmg gui-bundle
           cd ./gui-bundle
           zip -r FreeDATA_mac.zip .