Save tabs number in Url to persist tab when go to other paths (#78)

* added an optional  url parameter to the library path to get to a particular tab

* Added Error checking when taking the parameter from the Url

* Now Tabs persist with library options

* FIxed a bug which made the backbutton appear in the Library route when tabs number was presents in the url

src/App.tsx

@@ -158,7 +158,7 @@ export default function App() {
                                     <Route path="/manga/:id">
                                         <Manga />
                                     </Route>
-                                    <Route path="/library">
+                                    <Route path="/library/:tabParamNumber?">
                                         <Library />
                                     </Route>
                                     <Route path="/updates">