bump kf5 dep, (re)add README

dolphin.spec

@@ -32,7 +32,7 @@ Source0: http://download.kde.org/%{stable}/release-service/%{version}/src/%{name
 BuildRequires:  desktop-file-utils
 BuildRequires:  libappstream-glib
 
-BuildRequires:  extra-cmake-modules
+BuildRequires:  extra-cmake-modules >= 5.71
 BuildRequires:  kf5-rpm-macros
 BuildRequires:  cmake(KF5DocTools)
 BuildRequires:  cmake(KF5Init)
@@ -134,6 +134,7 @@ make test ARGS="--output-on-failure --timeout 10" -C %{_target_platform} ||:
 
 %files -f dolphin.lang
 %license COPYING*
+%doc README*
 %{_kf5_datadir}/qlogging-categories5/dolphin.*
 %{_kf5_bindir}/dolphin
 %{_kf5_bindir}/servicemenuinstaller