Lucas/t 231 timebox i can create a company at the same time im creating (#140)

This PR is a bit messy:

adding graphql schema
adding create company creation on company select on People page
some frontend refactoring to be continued

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Co-authored-by: Charles Bochet <charles@twenty.com>

front/package.json

@@ -17,6 +17,7 @@
     "react": "^18.2.0",
     "react-datepicker": "^4.11.0",
     "react-dom": "^18.2.0",
+    "react-hotkeys-hook": "^4.4.0",
     "react-icons": "^4.8.0",
     "react-router-dom": "^6.4.4",
     "uuid": "^9.0.0",