added simple text score
tranformed TCPP json to be closer to actual model of prime, target and distractors which will be easier for analysis for ProjetDeRechercheSurLecriture/DyslexDisorthGame#127 and ProjetDeRechercheSurLecriture/DyslexDisorthGame#127 and ProjetDeRechercheSurLecriture/DyslexDisorthGame#24