Resolve "[Studio] Pouvoir ajouter des sources de données de type API externe"

conf/requires/config.js

...is/client/javascript/externs/formReader/formReaderCtrl.js

...is/client/javascript/externs/formReader/formReaderSrvc.js

src/vitis/client/javascript/externs/jmespath/jmespath.js

src/vitis/client/javascript/externs/jmespath/jmespath.min.js

...t/javascript/externs/studio/javascript/app/FormBuilder.js

src/vitis/client/javascript/externs/studio/lang/lang-en.json

src/vitis/client/javascript/externs/studio/lang/lang-fr.json

...ent/javascript/externs/studio/templates/MainTemplate.html