appdata: Use sm.puri prefix

This makes it match what we use in most other upstream software.

Makefile

@@ -1,5 +1,5 @@
 APPDATA = \
-  org.librem5.goodies.appdata.xml \
+  sm.puri.librem5.goodies.appdata.xml \
   $(NULL)
 
 all: shell-check appstream-check

debian/librem5-goodies.install

@@ -4,4 +4,4 @@ l5-screenshot /usr/bin
 l5-screenshot.desktop /usr/share/applications
 l5-scale-the-screen /usr/bin
 l5-scale-the-screen.desktop /usr/share/applications
-org.librem5.goodies.appdata.xml /usr/share/metainfo
+sm.puri.librem5.goodies.appdata.xml /usr/share/metainfo

sm.puri.librem5.goodies.appdata.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!-- Copyright 2018-2019 Purism, SPC -->
 <component type="desktop-application">
-  <id>org.librem5.goodies</id>
+  <id>sm.puri.librem5.goodies</id>
   <metadata_license>gpl-3+</metadata_license>
   <project_license>GPL-3.0+</project_license>
   <name>Librem 5 Goodies</name>