Do not ignore .github folder in .gitignore

Change-Id: I75c2a1fa998bfdfc3094514786aabc0866d03a99
diff --git a/.gitignore b/.gitignore
index 95d91a7..4e4dd1b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 .*
 !/.gitignore
+!/.github
 !/.dockerignore
 target
 tmp