connected zenodo endpoint, also fixed some bugs and refactored table+query service

.env.example

README.md

docker-compose.yml

.../src/main/java/at/tuwien/api/database/query/QueryDto.java

...ain/java/at/tuwien/api/database/query/QueryResultDto.java

...rvice/src/main/java/at/tuwien/endpoint/QueryEndpoint.java

.../src/main/java/at/tuwien/endpoint/QueryStoreEndpoint.java

...ce/rest-service/src/main/resources/application-docker.yml

...src/test/java/at/tuwien/service/QueryServiceUnitTest.java

.../services/src/main/java/at/tuwien/mapper/QueryMapper.java

...ervices/src/main/java/at/tuwien/service/QueryService.java

...es/src/main/java/at/tuwien/service/QueryStoreService.java

...rvice/src/main/java/at/tuwien/endpoints/DataEndpoint.java

...services/src/main/java/at/tuwien/service/DataService.java

...rc/main/java/at/tuwien/service/impl/MariaDataService.java

fda-ui/README.md

fda-ui/components/QueryList.vue

fda-ui/components/dialogs/CreateDB.vue

fda-ui/components/query/Builder.vue

fda-ui/nuxt.config.js