feat: install linyaps desktop

Add linyaps desktop to install file.

Author: dengbo11

debian/linglong-bin.install

@@ -24,3 +24,4 @@ usr/share/linglong/config.yaml
 usr/share/locale
 usr/share/mime/packages/vnd.linyaps.uab.xml
 usr/share/polkit-1/actions/org.deepin.linglong.PackageManager1.policy
+usr/share/applications/linyaps.desktop