Merge pull request #351 from sanskar-mk2/update-bat

add batch file to update and start

UpdateAndStart.bat

@@ -0,0 +1,16 @@
+@echo off
+pushd %~dp0
+git --version > nul 2>&1
+if %errorlevel% neq 0 (
+    echo Git is not installed on this system. Skipping update.
+) else (
+    call git pull --rebase --autostash
+    if %errorlevel% neq 0 (
+        REM incase there is still something wrong
+        echo There were errors while updating. Please download the latest version manually.
+    )
+)
+call npm install
+node server.js
+pause
+popd