update .gitignore to template

.editorconfig

@@ -1,8 +1,16 @@
 root = true
 
 [*]
-end_of_line = crlf
-insert_final_newline = true
-indent_size = 4
 charset = utf-8
+end_of_line = crlf
+indent_size = 4
+insert_final_newline = true
+
+[{*.{c,d,h,py,sh},Makefile}]
+max_line_length = 80
+
+[Makefile]
 indent_style = tab
+
+[*.{c,h}]
+trim_trailing_whitespace = true