Export direct-slot-children rule

Author: colebemis

src/configs/recommended.js

@@ -8,14 +8,15 @@ module.exports = {
   plugins: ['primer-react', 'github'],
   extends: ['plugin:github/react'],
   rules: {
+    'primer-react/direct-slot-children': 'error',
     'primer-react/no-deprecated-colors': 'warn',
     'primer-react/no-system-props': 'warn'
   },
   settings: {
     github: {
       components: {
-        Link: { props: { as: { undefined: 'a', 'a': 'a', 'button': 'button'}}},
-        Button: { default: 'button' },
+        Link: {props: {as: {undefined: 'a', a: 'a', button: 'button'}}},
+        Button: {default: 'button'}
       }
     },
     'jsx-a11y': {

src/index.js

@@ -1,5 +1,6 @@
 module.exports = {
   rules: {
+    'direct-slot-children': require('./rules/direct-slot-children'),
     'no-deprecated-colors': require('./rules/no-deprecated-colors'),
     'no-system-props': require('./rules/no-system-props')
   },