[libgames-support] Add intended usage for style-checker

[Sahil Sareen <ssareen src gnome org>]

commit b4199603c98e91dbcd24e3911853652bbac6c3b0
Author: Sahil Sareen <sahil sareen hotmail com>
Date:   Sat Dec 5 21:28:22 2015 +0530

    Add intended usage for style-checker

 style-checker |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/style-checker b/style-checker
index c242827..d9b0009 100755
--- a/style-checker
+++ b/style-checker
@@ -29,9 +29,16 @@
 # To use it as a pre-commit hook, Update autogen.sh to symlink to this file
 #
 # if [ -d $srcdir/.git ] && [ ! -L $srcdir/.git/hooks/pre-commit ]; then
-#     ln -s $srcdir/../libgames-support/style-checker $srcdir/.git/hooks/pre-commit
+#     ln -s ../../../libgames-support/style-checker $srcdir/.git/hooks/pre-commit
 # fi
 #
+# Note: This can be used as the following hooks:
+# Client side
+#  - pre-commit
+#  - pre-applypatch
+#  - pre-push
+# Server side
+#  - pre-receive
 
 import sys
 import re