Add path tracing functionality (#165)

- Implemented path tracing feature in the map screen, allowing users to add nodes to a path and visualize it on the map.
- Added buttons for starting path tracing, removing the last node, and running the path trace.
- Introduced a new overlay to display current path information and distance.
- Updated localization files for multiple languages to include new strings related to path tracing.
- Refactored map rendering logic to accommodate path tracing visuals.

lib/l10n/app_localizations_sl.dart

@@ -1352,6 +1352,18 @@ class AppLocalizationsSl extends AppLocalizations {
   @override
   String get map_manageRepeater => 'Upravljajte Ponovitve';
 
+  @override
+  String get map_tapToAdd => 'Pritisnite na vozlišča, da jih dodate poti.';
+
+  @override
+  String get map_runTrace => 'Zaženi sledenje poti';
+
+  @override
+  String get map_removeLast => 'Odstrani Zadnji';
+
+  @override
+  String get map_pathTraceCancelled => 'Spremljanje poti je prekinjeno.';
+
   @override
   String get mapCache_title =>
       'Omrezni predpomnilnik zemljeških zemljejevskih slik';
@@ -2688,6 +2700,9 @@ class AppLocalizationsSl extends AppLocalizations {
   String get pathTrace_someHopsNoLocation =>
       'Ena ali več hmelju manjka lokacija!';
 
+  @override
+  String get pathTrace_clearTooltip => 'Počisti pot';
+
   @override
   String get contacts_pathTrace => 'Sledenje poti';