Add __MKIT_PROJ_MAINTAINER__

src/include/build.sh

         echo "s|__MKIT_PROJ_CODENAME__|$(ini 1value project:codename)|g;"
         echo "s|__MKIT_PROJ_PKGNAME__|$(ini 1value project:pkgname)|g;"
         echo "s|__MKIT_PROJ_TAGLINE__|$(ini 1value project:tagline)|g;"
+        echo "s|__MKIT_PROJ_MAINTAINER__|$(ini 1value project:maintainer)|g;"
         echo "s|__MKIT_PROJ_GIT_LASTHASH__|$(git_lasthash)|g;"
         echo "s|__MKIT_PROJ_VERSION__|$(semver)|g;"
         echo "s|__MKIT_SELF_VERSION__|$MKIT_VERSION|g;"