Add the get character by id API method.

Add location and origin fields to the character info model.
Implement get character functions in repository and UI layers.

app/src/main/java/cz/fel/barysole/ackeetesttask/ui/uielement/main/MyTopAppBar.kt

@@ -29,7 +29,7 @@ import cz.fel.barysole.ackeetesttask.ui.screen.screenWithTopAppBarList
 @Composable
 fun MyTopAppBar(
     selectedScreen: Screen?,
-    snackbar: SnackbarHostState
+    onItemSelected: (id: Long) -> Unit
 ) {
     if (screenWithTopAppBarList.contains(selectedScreen)) {
         val isSearchBarShowing = rememberSaveable {
@@ -38,7 +38,7 @@ fun MyTopAppBar(
         // showing iff isSearchBarShowing is true
         Crossfade(targetState = isSearchBarShowing.value) { showSearchBar ->
             when (showSearchBar) {
-                true -> MySearchBar(isSearchBarShowing, snackbar)
+                true -> MySearchBar(isSearchBarShowing, onItemSelected)
                 false -> TopAppBar(
                     modifier = Modifier.shadow(16.dp),
                     title = {