Use tabs and store labeled indices

AngularApp/prototype/src/app/app.component.html

AngularApp/prototype/src/app/app.module.ts

AngularApp/prototype/src/app/cache.service.ts

...ype/src/app/labeling-window/labeling-window.component.css

...pe/src/app/labeling-window/labeling-window.component.html

...type/src/app/labeling-window/labeling-window.component.ts

AngularApp/prototype/src/app/labels/labels.component.css

AngularApp/prototype/src/app/labels/labels.component.html

AngularApp/prototype/src/app/labels/labels.component.ts

...type/src/app/overview-window/overview-window.component.ts

...prototype/src/app/query-window/query-window.component.css

...rototype/src/app/query-window/query-window.component.html

.../prototype/src/app/query-window/query-window.component.ts

...otype/src/app/table-overview/table-overview.component.css

Flaskserver/.idea/workspace.xml

Flaskserver/__pycache__/main.cpython-38.pyc

Flaskserver/main.py