Modify .gitignore file

Add Entry for ignoring auto-generated documents by Doxygen.

diff --git a/.gitignore b/.gitignore
index 05c2166..c64d0bf 100644 (file)
--- a/.gitignore
+++ b/.gitignore
@@ -20,6 +20,9 @@ src/stamp-h1
 src/*.o
 src/hengband
 
+# Ignore generated documents by Doxygen
+doxygen/html/
+
 # Windows binary
 Hengband.exe