Create .editorconfig (#1714)

Alex-Sokolov · Justineo · commit 168dedb240e2 · 2018-07-30T18:25:33.000+08:00
diff --git a/.editorconfig b/.editorconfig
@@ -0,0 +1,7 @@
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 2
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
