Update editorconfig (#84)

Author: Lucas Gangstad

.editorconfig

@@ -1,14 +1,24 @@
 root = true
 
 [*]
+indent_style = tab
 end_of_line = lf
 charset = utf-8
 trim_trailing_whitespace = true
+insert_final_newline = true
 
 [*.json]
 indent_style = space
 indent_size = 2
 
-[*.lua]
-indent_style = tab
+[*.toml]
+indent_style = space
 indent_size = 4
+
+[*.{yaml,yml}]
+indent_style = space
+indent_size = 2
+
+[*.{md,markdown}]
+indent_style = space
+indent_size = 2