Add recipes

recipes/wip/games/simulation/formicarium/recipe.toml

+#TODO not compiled or tested
+[source]
+git = "https://github.com/gliderkite/formicarium"
+[build]
+template = "cargo"

recipes/wip/games/simulation/game-of-life-piston/recipe.toml

+#TODO not compiled or tested
+[source]
+git = "https://github.com/Arcterus/game-of-life"
+[build]
+template = "cargo"

recipes/wip/games/strategy/cell-graph-risk/recipe.toml

+#TODO not compiled or tested
+[source]
+git = "https://github.com/PSteinhaus/Cell-Graph-Risk"
+[build]
+template = "cargo"

recipes/wip/games/strategy/rust-sudoku/recipe.toml

+#TODO not compiled or tested
+[source]
+git = "https://github.com/xairy/rust-sudoku"
+[build]
+template = "cargo"

recipes/wip/games/strategy/tetris-demo/recipe.toml

+#TODO not compiled or tested
+[source]
+git = "https://github.com/da-x/tetris-demo"
+[build]
+template = "cargo"