Convert fal recipe to toml and move to wip

recipes/dev/fal/recipe.sh

-GIT=https://github.com/4lDO2/fal-rs
-CARGO_PACKAGE=fal-frontend-redox

recipes/wip/fal/recipe.toml

+[source]
+git = "https://github.com/4lDO2/fal-rs"
+
+[build]
+template = "custom"
+script = "cookbook_cargo_packages fal-frontend-redox"