#40: added work card, some fixes

Frontend/src/App.js

Frontend/src/components/PageLink.jsx

Frontend/src/components/Taglist.jsx

Frontend/src/components/WorkCard.jsx

Frontend/src/components/bundel/Controlbar.jsx

Frontend/src/components/bundel/Footer.jsx

Frontend/src/components/bundel/InputField.jsx

Frontend/src/components/bundel/Navbar.jsx

Frontend/src/components/bundel/UserWorkListElement.jsx

Frontend/src/components/bundel/WorkMetaInfoView.jsx

Frontend/src/components/landingpage/PriceCard.jsx

Frontend/src/components/registerwork/RegisterCheck.jsx

Frontend/src/components/registerwork/WorkCreatorForm.jsx

Frontend/src/components/registerwork/WorktypButton.jsx

...d/src/components/registerwork/licencework/AllLicences.jsx

...d/src/components/registerwork/licencework/CCKitHelper.jsx

...ponents/registerwork/licencework/CommonlyUsedLicences.jsx

.../src/components/registerwork/registerworkConfirmation.jsx

...nd/src/components/registerwork/registerworkFileUpload.jsx

...d/src/components/registerwork/registerworkInformation.jsx