SUPER merge request von meiner lieblingsprogrammierin!! nur minikleine änderungen wurden vom  BOSS durchgeführt. das gibt eine beförderung =) =) =)

#43 use growbros fetcher for Wunschliste and Garten, improve FetchResult type, PlantDetails uses path param now

#43 include JWT in fetcher, reformatting and refactoring, add props and custom fetch methods to some components

created Homepage Layout with picture and texts, created Navbar and Routes, creates Searchbar and Filterpage, created 'Plantdetails-Page' #10 #11 #12 #13 #14 #15 #16