import developer information from github

entries/hex_game.md

@@ -3,9 +3,11 @@
 - Home: https://sourceforge.net/projects/hexgamealpha/
 - State: beta
 - Keyword: strategy, tiles
-- Code repository: https://github.com/matthewgrimes/hexgame.git
+- Code repository: https://github.com/matthewgrimes/hexgame.git (@created 2018, @stars 2, @forks 0)
 - Code language: C++
 - Code license: MIT
-- Developer: laonious
+- Developer: laonious, Matt Grimes
 
 ## Building
+
+- Build system: CMake