Re-write casTypes description from scratch (draft)

components/ajouter-cas-types/index.ts

components/cartes-impact/index.ts

components/cartes-impact/simple-card/index.ts

redux/actions/auth/log-out.ts

redux/actions/cas-type-create.js

redux/actions/cas-type-remove.js

redux/actions/cas-type-update.js

redux/actions/cas-types/add-cas-type.ts

redux/actions/cas-types/update-cas-type.ts

redux/actions/index.ts

redux/actions/simulations/simulate-cas-types.ts

redux/make-application-state.js

redux/reducers/cas-types.js

redux/reducers/descriptions/cas-types.default-state.ts

redux/reducers/descriptions/cas-types.ts

redux/reducers/descriptions/index.ts

redux/reducers/index.ts

redux/set-auth-cookie.js