FreeBSD fix and test (#55)

* add: test on freebsd

* test fix vm

* fix: transform to lowercase

transform the `OSTYPE` to a lowercase and store it inside `OSName`

* add: caching of the vm

.github/workflows/test.yml

@@ -25,4 +25,29 @@ jobs:
     - uses: actions/checkout@v4
 
     - name: Run testing script on macOS
-      run: ./testing.sh
+      run: ./testing.sh
+
+  FreeBSDTest:
+    name: Test on FreeBSD
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Cache dependencies
+      uses: actions/cache@v3
+      with:
+        path: ~/.cache
+        key: ${{ runner.os }}-cache-${{ hashFiles('**/package-lock.json') }}
+        restore-keys: |
+          ${{ runner.os }}-cache-
+
+    - name: Test in FreeBSD
+      id: test
+      uses: vmactions/freebsd-vm@v1
+      with:
+        usesh: true
+        prepare: |
+          pkg install -y bash
+        run: |
+          ./testing.sh