docs: Adding further instructions to Windows server users (#132)

README.md

@@ -310,3 +310,27 @@ Protecting a Private Key. The purpose of the passphrase is usually to encrypt th
       source: "tests/a.txt,tests/b.txt"
       target: your_server_target_folder_path
 ```
+When copying files from a Linux runner to a Windows server, you should:
+
+1.  Download git for Windows
+2.  Change the default OpenSSH shell to git bach with the following powershell command:
+```powershell
+New-ItemProperty -Path "HKLM:\SOFTWARE\OpenSSH" -Name DefaultShell -Value "$env:Programfiles\Git\bin\bash.exe" -PropertyType String -Force
+```
+3.  Set `tar_dereference` and `rm` variable to `true` in the YAML file
+4.  Avoid putting the `port` value through a variable
+5.  Convert the target path to a Unix path:
+```diff
+  - name: Copy to Windows
+      uses: appleboy/scp-action@v0.1.4
+      with:
+        host: ${{ secrets.HOST }}
+        username: ${{ secrets.USERNAME }}
+        key: ${{ secrets.SSH_PRIVATE_KEY }}
+        port: 22
+        source: 'your_source_path'
+-       target: 'C:\path\to\target'
++       target: '/c/path/to/target/'
++       tar_dereference: true
++       rm: true
+```