blueprint-compiler: add recipe

blueprint-compiler: add recipe

Blueprint-compiler is a markup language and compiler for GTK 4 user
interfaces.

Move it from meta-openembedded to openembedded-core as it is required by
epiphany 49.2.

The original author Liu Yiding, is willing to continue maintaining the
recipe. Add him as maintainer for this.

CC: Liu Yiding <liuyd.fnst@fujitsu.com>
Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>