feat(global): init wiki 📚

WIKI.md

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+Welcome to the Node wiki! Here you will find various information about this repo.
+
+## Node 
+
+* [how to create a fullstack with another of our repos](https://github.com/weareopensource/weareopensource.github.io/wiki)
+
+## Doc 
+
+* [Api](https://github.com/weareopensource/Node/blob/master/README.md#API)
+* [Errors](https://github.com/weareopensource/Node/blob/master/README.md#Errors)
+
+## Other informations
+
+* [Knowledges](https://github.com/weareopensource/Node/blob/master/KNOWLEDGES.md)
+* [Changelog](https://github.com/weareopensource/Node/blob/master/CHANGELOG.md)
+* [Licence](https://github.com/weareopensource/Node/blob/master/LICENSE.md)
+* [Contribute](https://github.com/weareopensource/weareopensource.github.io/wiki/Contribute)
+
+## WAOS
+
+* [Our Mindset](https://weareopensource.me/introduction/)
+* [Our Roadmap](https://github.com/weareopensource/weareopensource.github.io/projects)
+* [Us](https://github.com/weareopensource/weareopensource.github.io/wiki/Us)
+* [Help Us](https://github.com/weareopensource/weareopensource.github.io/wiki/HelpUs)
+
+# Doc
+
+## API
+
+### API answers rules : 
+
+#### success
+
+`responses.success(res, 'task created')({});`
+
+body : 
+
+```
+{ 
+	type: 'success', 
+	message: 'task created' 
+	data: {}
+}
+```
+
+#### error
+
+`responses.error(res, 422, 'task creation failed')({err});`
+
+body : 
+
+```
+{ 
+	type: 'error', 
+	message: 'task creation failed' 
+	error: {err}
+}
+```
+
+## Errors
+
+#### controller
+
+`responses.error(res, 422, errors.getMessage(err))({err});`
+
+body : 
+
+```
+{ 
+	type: 'error', 
+	message: 'task creation failed' 
+	error: {err}
+}
+```
+
+#### schema errors
+
+`responses.error(res, 422, errors.getMessage(err))({err});`
+
+body : 
+
+```
+{ 
+	type: 'error',
+   message: 'schema validation error',
+   error: { 
+       original: { 
+            title: 2, 
+            description: 'do something about something else' 
+       },
+       details: [{ 
+       	message: 'title must be a string', 
+       	type: 'string.base' 
+       } ] 
+   } 
+}
+```
+
+#### service & others errors
+
+`throw new AppError('invalid user or password');`
+
+body : 
+
+```
+{ 
+	type: 'error',
+   message: 'Something went wrong',
+   error: { 
+       details: [{ 
+       	message: 'invalid user or password', 
+       }] 
+   } 
+}
+```
+
+#### Authentication errors
+
+status : 401 
+error : 
+
+```
+{
+	text: 'Unauthorized'
+}
+```