added forecast code

ml/src/forecast/LSTM_model.py

ml/src/forecast/README.md

ml/src/forecast/markov_chains.py

ml/src/forecast/requirements.txt

web/package-lock.json

web/package.json

web/server.js

web/src/components/CitizenProfile.vue

web/src/components/NavigationDrawer.vue

web/src/components/RegisteredFallTable.vue

web/src/components/TrainingplanTable.vue

web/src/model/Citizen.ts

web/src/model/Quarter.ts

web/src/model/TrainingPlan.ts

web/src/services/DataService.ts

web/src/store/CitizenStore.ts

web/src/store/ProbabilityStore.ts

web/src/store/RegisteredFallStore.ts

web/src/store/TrainingPlanStore.ts

web/src/views/Search.vue