update URL and rename file

added navigation link

src/pages/how-to/acronis-netbird-integration.mdx

@@ -157,7 +157,7 @@ To add a new PowerShell script, navigate to `MANAGEMENT > Script repository` and
 
 Paste the following script into the IDE:
 
-```PowerShell
+```shell
 # NetBird Windows Installation Script
 # Requires Administrator privileges
 
@@ -259,7 +259,7 @@ Next, on the right sidebar:
 
 Using a similar procedure, you can add the following script to use the MSI installer instead of the EXE installer:
 
-```PowerShell
+```shell
 # NetBird MSI Installation Script
 # Requires Administrator privileges
 
@@ -405,7 +405,7 @@ The script downloads the official `.msi` installer and uses the silent flag to i
 
 Likewise, you can add an **Uninstall NetBird** script:
 
-```PowerShell
+```shell
 # NetBird Windows Uninstall Script
 # Requires Administrator privileges