Add copyright header to cmdlet .ps1 files

Author: daviwil

module/PowerShellEditorServices/Commands/Public/CmdletInterface.ps1

@@ -1,4 +1,9 @@
-<#
+#
+# Copyright (c) Microsoft. All rights reserved.
+# Licensed under the MIT license. See LICENSE file in the project root for full license information.
+#
+
+<#
 .EXTERNALHELP ..\PowerShellEditorServices.Commands-help.xml
 #>
 function Register-EditorCommand {

module/PowerShellEditorServices/Commands/Public/ConvertFrom-ScriptExtent.ps1

@@ -1,3 +1,8 @@
+#
+# Copyright (c) Microsoft. All rights reserved.
+# Licensed under the MIT license. See LICENSE file in the project root for full license information.
+#
+
 function ConvertFrom-ScriptExtent {
     <#
     .EXTERNALHELP ..\PowerShellEditorServices.Commands-help.xml

module/PowerShellEditorServices/Commands/Public/ConvertTo-ScriptExtent.ps1

@@ -1,3 +1,8 @@
+#
+# Copyright (c) Microsoft. All rights reserved.
+# Licensed under the MIT license. See LICENSE file in the project root for full license information.
+#
+
 function ConvertTo-ScriptExtent {
     <#
     .EXTERNALHELP ..\PowerShellEditorServices.Commands-help.xml

module/PowerShellEditorServices/Commands/Public/Find-Ast.ps1

@@ -1,3 +1,8 @@
+#
+# Copyright (c) Microsoft. All rights reserved.
+# Licensed under the MIT license. See LICENSE file in the project root for full license information.
+#
+
 function Find-Ast {
     <#
     .EXTERNALHELP ..\PowerShellEditorServices.Commands-help.xml

module/PowerShellEditorServices/Commands/Public/Get-Token.ps1

@@ -1,3 +1,8 @@
+#
+# Copyright (c) Microsoft. All rights reserved.
+# Licensed under the MIT license. See LICENSE file in the project root for full license information.
+#
+
 function Get-Token {
     <#
     .EXTERNALHELP ..\PowerShellEditorServices.Commands-help.xml

module/PowerShellEditorServices/Commands/Public/Import-EditorCommand.ps1

@@ -1,3 +1,8 @@
+#
+# Copyright (c) Microsoft. All rights reserved.
+# Licensed under the MIT license. See LICENSE file in the project root for full license information.
+#
+
 function Import-EditorCommand {
     <#
     .EXTERNALHELP ..\PowerShellEditorServices.Commands-help.xml

module/PowerShellEditorServices/Commands/Public/Join-ScriptExtent.ps1

@@ -1,3 +1,8 @@
+#
+# Copyright (c) Microsoft. All rights reserved.
+# Licensed under the MIT license. See LICENSE file in the project root for full license information.
+#
+
 function Join-ScriptExtent {
     <#
     .EXTERNALHELP ..\PowerShellEditorServices.Commands-help.xml

module/PowerShellEditorServices/Commands/Public/Out-CurrentFile.ps1

@@ -1,3 +1,8 @@
+#
+# Copyright (c) Microsoft. All rights reserved.
+# Licensed under the MIT license. See LICENSE file in the project root for full license information.
+#
+
 function Out-CurrentFile {
     <#
     .EXTERNALHELP ..\PowerShellEditorServices.Commands-help.xml

module/PowerShellEditorServices/Commands/Public/Set-ScriptExtent.ps1

@@ -1,3 +1,8 @@
+#
+# Copyright (c) Microsoft. All rights reserved.
+# Licensed under the MIT license. See LICENSE file in the project root for full license information.
+#
+
 function Set-ScriptExtent {
     <#
     .EXTERNALHELP ..\PowerShellEditorServices.Commands-help.xml

module/PowerShellEditorServices/Commands/Public/Test-ScriptExtent.ps1

@@ -1,3 +1,8 @@
+#
+# Copyright (c) Microsoft. All rights reserved.
+# Licensed under the MIT license. See LICENSE file in the project root for full license information.
+#
+
 function Test-ScriptExtent {
     <#
     .EXTERNALHELP ..\PowerShellEditorServices.Commands-help.xml