Start phosh via gnome-session

Start a full gnome-session as gnome-shell does.

To get out of WIP status:

• Check on dev board or qemu

data/meson.build

+runconf = configuration_data()
+runconf.set('bindir', bindir)
+runconf.set('libexecdir', libexecdir)
+runconf.set('pkgdatadir', pkgdatadir)
+runconf.set('wlrootsdir', join_paths(libexecdir, 'wlroots'))
+configure_file(
+  input: 'phosh.in',
+  output: 'phosh',
+  install_dir: bindir,
+  configuration: runconf,
+  install: true
+)
+
 schemas = ['sm.puri.phosh.gschema.xml']
 compiled = gnome.compile_schemas(
   build_by_default: true