Format PowerShell example for readability

Reformat code

Author: sdwheeler

reference/5.1/Microsoft.PowerShell.Security/Get-AuthenticodeSignature.md

@@ -65,7 +65,9 @@ command line. In this example, the name of the **FilePath** parameter, which is
 ### Example 3: Get only valid Authenticode signatures for multiple files
 
 ```powershell
-Get-ChildItem $PSHOME\*.* | ForEach-Object {Get-AuthenticodeSignature $_} | Where-Object {$_.Status -eq "Valid"}
+Get-ChildItem $PSHOME\*.* |
+    ForEach-Object {Get-AuthenticodeSignature $_} |
+    Where-Object {$_.Status -eq "Valid"}
 ```
 
 This command lists all of the files in the `$PSHOME` directory that have a valid Authenticode

reference/7.4/Microsoft.PowerShell.Security/Get-AuthenticodeSignature.md

@@ -67,7 +67,9 @@ command line. In this example, the name of the **FilePath** parameter, which is
 ### Example 3: Get only valid Authenticode signatures for multiple files
 
 ```powershell
-Get-ChildItem $PSHOME\*.* | ForEach-Object {Get-AuthenticodeSignature $_} | Where-Object {$_.Status -eq "Valid"}
+Get-ChildItem $PSHOME\*.* |
+    ForEach-Object {Get-AuthenticodeSignature $_} |
+    Where-Object {$_.Status -eq "Valid"}
 ```
 
 This command lists all of the files in the `$PSHOME` directory that have a valid Authenticode

reference/7.6/Microsoft.PowerShell.Security/Get-AuthenticodeSignature.md

@@ -67,7 +67,9 @@ command line. In this example, the name of the **FilePath** parameter, which is
 ### Example 3: Get only valid Authenticode signatures for multiple files
 
 ```powershell
-Get-ChildItem $PSHOME\*.* | ForEach-Object {Get-AuthenticodeSignature $_} | Where-Object {$_.Status -eq "Valid"}
+Get-ChildItem $PSHOME\*.* |
+    ForEach-Object {Get-AuthenticodeSignature $_} |
+    Where-Object {$_.Status -eq "Valid"}
 ```
 
 This command lists all of the files in the `$PSHOME` directory that have a valid Authenticode