add prepare-commit-msg hook
diff --git a/hooks/prepare-commit-msg b/hooks/prepare-commit-msg
new file mode 120000
index 0000000..23255ef
--- /dev/null
+++ b/hooks/prepare-commit-msg
@@ -0,0 +1 @@
+/mtkoss/git/hooks/wcp2/GGHP/prepare-commit-msg
\ No newline at end of file