add recipes

recipes/wip/emulators/meru/recipe.toml

+#TODO Not compiled or tested
+[source]
+git = "https://github.com/tanakh/meru"
+[build]
+template = "custom"
+script = """
+cookbook_cargo_packages meru
+"""

recipes/wip/emulators/mipsy/recipe.toml

+#TODO Not compiled or tested
+[source]
+git = "https://github.com/insou22/mipsy"
+[build]
+template = "custom"
+script = """
+cookbook_cargo_packages mipsy
+"""

recipes/wip/emulators/rustboy-advance-ng/recipe.toml

+#TODO Not compiled or tested
+[source]
+git = "https://github.com/michelhe/rustboyadvance-ng"
+[build]
+template = "custom"
+dependencies = [
+    "sdl2",
+    "sdl2-image",
+]
+script = """
+cookbook_cargo_packages rustboyadvance-sdl2
+"""

recipes/wip/emulators/wie/recipe.toml

+#TODO Not compiled or tested
+[source]
+git = "https://github.com/dlunch/wie"
+[build]
+template = "custom"
+script = """
+cookbook_cargo_packages wie_cli
+"""