refactor(server): start slot filling / context refactor (wip)

scripts/train.js

@@ -87,7 +87,8 @@ export default () => new Promise(async (resolve, reject) => {
                * 4. [OK] Handle random questions picking
                *  srcAnswer has the array, need to activate context now?
                *  to detect we should pick .srcAnswer
-               * 5. Activate context and forward slot data to skills
+               * 5.1 Activate context and forward slot data to skills
+               * 5.2 Reorganize code before to proceed to next steps
                * 6. Train resolvers (affirm_deny: boolean value)
                * 7. Map resolvers to skill actions
                * 8. Utterance source type to get raw input from utterance