Add .editorconfig file

Signed-off-by: Jérémy DECOOL <[email protected]>

Author: jdecool

.editorconfig

@@ -0,0 +1,19 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = LF
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.php]
+indent_style = space
+indent_size = 4
+
+[*.yml]
+indent_style = space
+indent_size = 4
+
+[.travis.yml]
+indent_style = space
+indent_size = 2