editorconfig: Don't insert final newline in .out files (denoland#1686)

Author: Dmitry Sharshakov

.editorconfig

@@ -8,5 +8,9 @@ indent_size = 2
 charset = utf-8
 trim_trailing_whitespace = true
 
+[*.out] # make editor neutral to .out files
+insert_final_newline = false
+trim_trailing_whitespace = false
+
 [*.py]
 indent_size = 4