added finding path with A* and json file to know where character can walk

proj-android/app/jni/src/CMakeLists.txt

@@ -47,6 +47,7 @@ add_library(main SHARED
         ../../../../src/utils/Perlin.cpp
         ../../../../src/utils/TaskManager.cpp
         ../../../../src/utils/Utils.cpp
+        ../../../../src/navigation/PathFinder.cpp
         ../../../../src/planet/PlanetData.cpp
         ../../../../src/planet/PlanetObject.cpp
         ../../../../src/planet/StoneObject.cpp