Updated README.md

README.md

@@ -1,2 +1,20 @@
 # DbPathFinder
-DbPathFinder git module for use in DbSoftware (https://github.com/0xFEEDC0DE64/DbSoftware)
+Small application which shows the A* path finding algorithm.
+
+![The demo showing pathfinding](https://raw.githubusercontent.com/0xFEEDC0DE64/DbPathFinder/master/demo.gif)
+
+# Building from source
+This project can only be built as part of the project structure [DbSoftware](https://github.com/0xFEEDC0DE64/DbSoftware)
+
+```Shell
+git clone https://github.com/0xFEEDC0DE64/DbSoftware.git
+cd DbSoftware
+git submodule update --init --recursive DbPathFinder
+cd ..
+mkdir build_DbSoftware
+cd build_DbSoftware
+qmake CONFIG+=ccache ../DbSoftware
+make -j$(nproc) sub-DbPathFinder
+make sub-DbPathFinder-install_subtargets
+./bin/databasetree
+```