Add recipes

recipes/wip/demos/funutd/recipe.toml

+#TODO not compiled or tested
+[source]
+git = "https://github.com/SamiPerttu/funutd"
+[build]
+template = "custom"
+script = """
+cookbook_cargo_examples editor
+"""

recipes/wip/demos/hotline/recipe.toml

+#TODO not compiled or tested
+[source]
+git = "https://github.com/polymonster/hotline"
+[build]
+template = "custom"
+script = """
+cookbook_cargo_examples triangle
+"""

recipes/wip/demos/ruscii/recipe.toml

+#TODO not compiled or tested
+[source]
+git = "https://github.com/lemunozm/ruscii"
+[build]
+template = "custom"
+script = """
+cookbook_cargo_examples pong space_invaders
+"""

recipes/wip/science/chem-creator/recipe.toml

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