added .githooks

diff --git a/.githooks/pre-commit b/.githooks/pre-commit
new file mode 100755 (executable)
index 0000000..e99cf86
--- /dev/null
+++ b/.githooks/pre-commit
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+! grep -Rns nocheckin src include core
\ No newline at end of file