feat: Added pre-commit hook of PowerShell scrip checker

export.ps1

@@ -26,10 +26,10 @@ foreach ($line  in $envars_raw) {
     $envars_array += (, ($var_name, $var_val))
 }
 
-if ($IsWindows -eq $null) {
+if ($null -eq $IsWindows) {
     # $IsWindows was added in PowerShell Core 6 and PowerShell 7 together with multi-platform support. # I.E. if this
     # internal variable is not set then PowerShell 5 is used and # the platform cannot be # anything else than Windows.
-    $IsWindows = $true
+    $Windows = $true
 }
 
 foreach ($pair  in $envars_array) {
@@ -38,7 +38,7 @@ foreach ($pair  in $envars_array) {
     $var_val = $pair[1].Trim() # trim spaces on the ends of the val
     if ($var_name -eq "PATH") {
         # trim "%PATH%" or "`$PATH"
-        if ($IsWindows) {
+        if ($IsWindows || $Windows) {
             $var_val = $var_val.Trim($S + "%PATH%")
         } else {
             $var_val = $var_val.Trim($S + "`$PATH")
@@ -60,7 +60,7 @@ function parttool.py { &python "$IDF_PATH\components\partition_table\parttool.py
 #Compare Path's OLD vs. NEW
 $NEW_PATH = $env:PATH.split($S) | Select-Object -Unique # array without duplicates
 $dif_Path = Compare-Object -ReferenceObject $OLD_PATH -DifferenceObject $NEW_PATH -PassThru
-if ($dif_Path -ne $null) {
+if ($null -ne $dif_Path) {
     Write-Output "`nAdded to PATH`n-------------"
     Write-Output $dif_Path
 } else {