chore: Update .gitignore

DanSnow · DanSnow · commit 2f5784d5fb2e · 2018-08-28T10:22:49.000+08:00
diff --git a/.gitignore b/.gitignore
@@ -31,10 +31,11 @@ tags
 
 
 ### Crystal ###
-/.shards/
+/docs/
 /lib/
-/doc/
-
+/bin/
+/.shards/
+*.dwarf
 
 # Libraries don't need dependency lock
 # Dependencies will be locked in application that uses them
