Add text about gitignore

diff --git a/docs/config/static_dir.md b/docs/config/static_dir.md
index 1326a5a170ae422e331b55e34f25ae50a86b2620..5fb38c3de1f2055c719b4b03f7b7b2f1beea19a2 100644 (file)
--- a/docs/config/static_dir.md
+++ b/docs/config/static_dir.md
@@ -13,6 +13,8 @@ Alternatively, you can overwrite this value in your configuration to use a diffe
 
 This document is written assuming `instance/static/`.
 
+Or, if you want to manage your custom file in git repository, basically remove the `instance/` entry from `.gitignore`.
+
 ## robots.txt
 
 By default, the `robots.txt` that ships in `priv/static/` is permissive. It allows well-behaved search engines to index all of your instance's URIs.