Remove bindings dependency (require the built addon directly because the build output location is well-known and constant)

Add note about a possible error and its solution to the README
Improve .editorconfig
Run tests in CI workflow

.editorconfig

@@ -9,13 +9,9 @@ charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
 
-[package.json]
+[{package.json, *.yaml, *.yml}]
 indent_style = space
 indent_size = 2
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
 
 [*.md]
 trim_trailing_whitespace = false