Added .editorconfig

Author: StringEpsilon

.editorconfig

@@ -0,0 +1,16 @@
+# Unix-style newlines with a newline ending every file
+[*]
+end_of_line = lf
+insert_final_newline = true
+charset = utf-8
+
+[*.ts,*.tsx, *.js]
+indent_style = tab
+indent_size = 4
+trim_trailing_whitespace = true
+
+[*.md]
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 2