fix: wrong path (#706)

Author: fzyzcjy

CONTRIBUTING.md

@@ -19,7 +19,7 @@ PR titles should follow the format below:
 To create a new rule:
 
 1. Choose a rule name according to our naming guide or take it from existing issue for the rule.
-2. Add an `.md` file with the rule documentation to `doc/rules`. If the rule supports configuration add ![Configurable](https://img.shields.io/badge/-configurable-informational) badge, if it has auto-fixes add ![Has auto-fix](https://img.shields.io/badge/-has%20auto--fix-success) badge
+2. Add an `.md` file with the rule documentation to `website/docs/rules`. If the rule supports configuration add ![Configurable](https://img.shields.io/badge/-configurable-informational) badge, if it has auto-fixes add ![Has auto-fix](https://img.shields.io/badge/-has%20auto--fix-success) badge
 3. Create a rule `.dart` file under `lib/src/analyzers/lint_analyzer/rules/rules_list`.
 4. Create a class that extends an abstract rule class depending on your rule type. Available classes: `FlutterRule`, `CommonRule`, `IntlRule`, `AngularRule`. Add a public field with rule id, documentation url.