add basic examples to doc page

Author: ulrichstark

packages/plugins/eslint-plugin-react-x/src/rules/no-unused-props.md

@@ -22,8 +22,32 @@ Warns about unused component prop declarations.
 
 ### Failing
 
+```tsx
+interface Props {
+  abc: string; // used
+  hello: string; // NOT used
+}
+
+function Component(props: Props) {
+  const { abc } = props; // `hello` isn't accessed from `props`
+  return null;
+}
+```
+
 ### Passing
 
+```tsx
+interface Props {
+  abc: string; // used
+  hello: string; // used
+}
+
+function Component(props: Props) {
+  const { abc, hello } = props;
+  return null;
+}
+```
+
 ## Implementation
 
 - [Rule source](https://github.com/Rel1cx/eslint-react/tree/main/packages/plugins/eslint-plugin-react-x/src/rules/no-unused-props.ts)