Add recipes

recipes/wip/demos/notan-examples/recipe.toml

+#TODO not compiled or tested
+[source]
+git = "https://github.com/Nazariglez/notan"
+[build]
+template = "custom"
+script = """
+cookbook_cargo_examples renderer_cube draw_path_flower \
+game_pong game_of_life
+"""

recipes/wip/net/meli/recipe.toml

+#TODO not compiled or tested
+[source]
+git = "https://git.meli-email.org/meli/meli"
+[build]
+template = "custom"
+dependencies = [
+    "sqlite3",
+]
+script = """
+cookbook_cargo_packages meli
+"""