Added appdata.xml and moved .desktop into hammond-gtk/resources.

hammond-gtk/resources/org.gnome.Hammond.appdata.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<component type="desktop">
+  <id>org.gnome.Hammond</id>
+  <name>Hammond</name>
+  <project_license>GPL-3.0</project_license>
+  <metadata_license>CC0-1.0</metadata_license>
+  <developer_name>Daniel García Moreno</developer_name>
+  <summary>Gtk+ Matrix.org client</summary>
+  <url type="homepage">https://gitlab.gnome.org/alatiera/Hammond</url>
+  <description>
+    Hammond is a Fast, Safe and Reliable Gtk+ Podcast client written in Rust
+  </description>
+  <screenshots>
+    <screenshot>
+      <image type="source">https://gitlab.gnome.org/alatiera/Hammond/raw/master/assets/podcasts_view.png</image>
+      <image type="source">https://gitlab.gnome.org/alatiera/Hammond/raw/master/assets/podcast_widget.png</image>
+    </screenshot>
+  </screenshots>
+  <releases>
+    <release version="0.1.1" date="2017-11-13"/>
+  </releases>
+  <update_contact>jordanpetridis@protonmail.com</update_contact>
+</component>

meson.build

@@ -16,7 +16,8 @@ hammond_version_micro = version_array[2].to_int()
 hammond_prefix = get_option('prefix')
 hammond_bindir = join_paths(hammond_prefix, get_option('bindir'))
 
-install_data('assets/org.gnome.Hammond.desktop', install_dir : get_option('datadir') + '/applications')
+install_data('hammond-gtk/resources/org.gnome.Hammond.desktop', install_dir : get_option('datadir') + '/applications')
+install_data('hammond-gtk/resources/org.gnome.Hammond.appdata.xml', install_dir : get_option('datadir') + '/appdata')
 
 cargo = find_program('cargo', required: false)
 gresource = find_program('glib-compile-resources', required: false)