Add strawberry.appdata.xml to spec files

dist/fedora/strawberry.spec.in

@@ -10,6 +10,7 @@ Source0:        %{name}-@STRAWBERRY_VERSION_PACKAGE@.tar.xz
 BuildRequires:  boost-devel
 BuildRequires:  cmake
 BuildRequires:  desktop-file-utils
+BuildRequires:  libappstream-glib
 BuildRequires:  gcc-c++
 BuildRequires:  hicolor-icon-theme
 BuildRequires:  liblastfm-qt5-devel
@@ -67,7 +68,7 @@ Features:
   * Audio analyzer
   * Equalizer
   * Transfer music to iPod, iPhone, MTP or mass-storage USB player
-  * Integrated Tidal support
+  * Integrated Tidal and Deezer support
 
 %prep
 %setup -qn %{name}-@STRAWBERRY_VERSION_PACKAGE@
@@ -91,10 +92,11 @@ popd
 
 %install
 make install DESTDIR=%{buildroot} -C %{_target_platform}
-rm -rf %{buildroot}%{_datadir}/metainfo
+mv %{buildroot}%{_datadir}/metainfo %{buildroot}%{_datadir}/appdata
 
 %check
 desktop-file-validate %{buildroot}%{_datadir}/applications/strawberry.desktop
+appstream-util validate-relax --nonet %{buildroot}%{_datadir}/appdata/strawberry.appdata.xml
 
 %files
 %defattr(-,root,root,-)
@@ -107,6 +109,7 @@ desktop-file-validate %{buildroot}%{_datadir}/applications/strawberry.desktop
 %{_datadir}/icons/hicolor/64x64/apps/strawberry.png
 %{_datadir}/icons/hicolor/128x128/apps/strawberry.png
 %{_datadir}/icons/hicolor/scalable/apps/strawberry.svg
+%{_datadir}/appdata/strawberry.appdata.xml
 %{_mandir}/man1/strawberry.1.*
 %{_mandir}/man1/strawberry-tagreader.1.*