Added a PowerShell script for "creating a new power plan"

scripts/create-power-plan.ps1

@@ -0,0 +1,17 @@
+# Step 1: Get the Active Power Plan GUID
+$activeGuid = powercfg /getactivescheme | Select-String -Pattern "GUID" | ForEach-Object { $_.ToString().Split(' ')[3] }
+Write-Output "Active Power Plan GUID: $activeGuid"
+
+# Step 2: Duplicate the Active Power Plan and capture the new GUID
+$newGuid = powercfg -duplicatescheme $activeGuid | ForEach-Object { $_.ToString().Split(' ')[3] }
+Write-Output "New Power Plan GUID: $newGuid"
+
+# Step 3: Rename the New Power Plan
+$customName = "My Custom Plan"
+powercfg -changename $newGuid $customName
+
+# Step 4: Set the New Power Plan as Active
+powercfg -setactive $newGuid
+
+# Output the new power plan GUID
+Write-Output "New power plan created with GUID: $newGuid and set as active."