cookbook: Add initial skeleton for box layout recipe
cookbook: Add initial skeleton for box layout recipe

Created recipe and first draft content for recipe
about ClutterBoxLayout.

kerrickstaley/clutter-vala,GNOME/clutter,Distrotech/clutter,heysion/clutter-clone,ebassi/clutter,djdeath/clutter-multithreaded,heysion/clutter-clone,heysion/clutter-clone,dlespiau/clutter,jigpu/clutter,spatulasnout/clutter,djdeath/clutter-multithreaded,djdeath/clutter-multithreaded,ebassi/clutter,collects/clutter,GNOME/clutter,collects/clutter,djdeath/clutter-android,Distrotech/clutter,GNOME/clutter,djdeath/clutter-android,jigpu/clutter,collects/clutter,ebassi/clutter,djdeath/clutter-android,djdeath/clutter,jigpu/clutter,heysion/clutter-clone,collects/clutter,kerrickstaley/clutter-vala,djdeath/clutter,nobled/clutter,nobled/clutter,jigpu/clutter,djdeath/clutter,spatulasnout/clutter,ebassi/clutter,ebassi/clutter,djdeath/clutter,kerrickstaley/clutter-vala,GNOME/clutter,Distrotech/clutter,Distrotech/clutter,spatulasnout/clutter,djdeath/clutter,dlespiau/clutter,djdeath/clutter,dlespiau/clutter,spatulasnout/clutter,spatulasnout/clutter,djdeath/clutter-android,Distrotech/clutter,djdeath/clutter-multithreaded,kerrickstaley/clutter-vala,Distrotech/clutter,djdeath/clutter-android,jigpu/clutter,GNOME/clutter,heysion/clutter-clone,collects/clutter,nobled/clutter,jigpu/clutter