add script to merge with upstream

Author: Alan Lam

merge_with_upstream.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+#https://help.github.com/en/articles/merging-an-upstream-repository-into-your-fork
+
+git pull https://github.com/SRombauts/SQLiteCpp.git master
+git status
+git push origin master