chore: add the final new line for editorconfig

PeachScript · PeachScript · commit 78bf31aa3471 · 2018-10-26T10:36:02.000+08:00
diff --git a/.editorconfig b/.editorconfig
@@ -9,4 +9,4 @@ trim_trailing_whitespace = true
 insert_final_newline = true
 
 [*.md]
-trim_trailing_whitespace = false
+trim_trailing_whitespace = false
