refactor: typescript refactoring ♻️

.editorconfig

@@ -0,0 +1,16 @@
+# EditorConfig  http://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# All files
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 2
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.sol]
+indent_size = 4