Fix capitalization of GitHub in dev module's name

PowerShellGitHubDev.psm1

@@ -0,0 +1,58 @@
+function Start-DevPSGitHub
+{
+    param(
+        [switch]$ZapDisable,
+        [string[]]$ArgumentList = '',
+        [switch]$LoadProfile,
+        [string]$binDir = "$PSScriptRoot\binFull",
+        [switch]$NoNewWindow
+    )
+
+    try
+    {
+        if ($LoadProfile -eq $false)
+        {
+            $ArgumentList = @('-noprofile') + $ArgumentList
+        }
+
+        $env:DEVPATH = $binDir
+        if ($ZapDisable)
+        {
+            $env:COMPLUS_ZapDisable = 1 
+        }
+
+        if (!(Test-Path $binDir\powershell.exe.config))
+        {
+            $configContents = @"
+<?xml version="1.0" encoding="utf-8" ?> 
+<configuration> 
+    <runtime>
+        <developmentMode developerInstallation="true"/>
+    </runtime>
+</configuration>
+"@
+            $configContents | Out-File -Encoding Ascii $binDir\powershell.exe.config
+        }
+        
+        # splatting for the win      
+        $startProcessArgs = @{
+            FilePath = "$binDir\powershell.exe"
+            ArgumentList = "$ArgumentList"
+        }  
+
+        if ($NoNewWindow) {
+            $startProcessArgs.NoNewWindow = $true
+            $startProcessArgs.Wait = $true
+        }
+        
+        Start-Process @startProcessArgs
+    }
+    finally
+    {
+        ri env:DEVPATH
+        if ($ZapDisable)
+        {
+            ri env:COMPLUS_ZapDisable
+        }
+    }
+}