Add linting, formatting and pre-commit (#53)

* Add dev-dependancies

* Security update npm packages

* Force audit fix

* Add linting, formatting and precommit

* Format files

.editorconfig

@@ -0,0 +1,15 @@
+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = false
+insert_final_newline = false
+
+[pug.ts]
+indent_size = 4