Add macos and windows runners to build workflow (#440)

* Change GH actions workflow to use matrix strategy and use macos and windows runners

* Fix directory path

* Set shell to bash on all runners

.github/workflows/ci.yml

@@ -1,14 +1,23 @@
 name: "Build and Test"
 on:
+  # Trigger manually
+  workflow_dispatch:
   pull_request:
   push:
+    tags:
+      - "*"
     branches:
       - main
-      - 'releases/*'
 
 jobs:
-  build: # make sure build/ci work properly
-    runs-on: ubuntu-latest
+  build:
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+          - macos-latest
+          - windows-latest
+    runs-on: ${{ matrix.os }}
 
     steps:
 
@@ -29,13 +38,16 @@ jobs:
     - name: Run action
       uses: ./
       with: 
-        repository: "eloots/course-management-tools"
-        tag: "1.0.0"
-        fileName: "course-management-tools.zip"
-        out-file-path: "./cmt"
+        repository: "robinraju/probable-potato"
+        tag: "1.0.1"
+        fileName: "potato.jpeg"
+        tarBall: true
+        zipBall: true
+        out-file-path: "./test-downloads"
 
     - name: List downloaded files
-      run: ls -lrth cmt
+      shell: bash
+      run: ls -lrth test-downloads
 
     - name: Test download from a private repo
       uses: ./
@@ -49,4 +61,5 @@ jobs:
         out-file-path: "./downloader-test"
 
     - name: List downloaded files from private repo
+      shell: bash
       run: ls -lrth downloader-test