Align .editorconfig with Angular's style

Author: eitanp461

.editorconfig

@@ -1,8 +1,15 @@
+# http://editorconfig.org
+
 root = true
 
 [*]
 charset = utf-8
 indent_style = space
-indent_size = 4
+indent_size = 2
+end_of_line = lf
 insert_final_newline = true
-trim_trailing_whitespace = true
+trim_trailing_whitespace = true
+
+[*.md]
+insert_final_newline = false
+trim_trailing_whitespace = false