Added 0watch 0.3.1

<?xml version="1.0"?>
<interface xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
  <name>0watch</name>
  <summary>scans websites for new releases and triggers 0template if required</summary>
  <description>
    0watch scans websites for new releases using arbritary Python code snippets.
    When new releases are detected 0template is used to create/update a Zero Install feed.
  </description>
  <homepage>https://github.com/0install/0watch</homepage>
  <needs-terminal/>

  <feed-for interface="https://apps.0install.net/0install/0watch.xml"/>

  <group license="OSI Approved :: GNU Lesser General Public License (LGPL)">
    <command name="run" path="0watch.py">
      <runner interface="https://apps.0install.net/python/python.xml"/>
    </command>

    <requires interface="https://apps.0install.net/0install/0template.xml">
      <executable-in-path name="0template"/>
    </requires>

    <implementation version="0.3.1" released="2023-02-12" id="sha1new=795406d52f2f7369ebedd785ceefb06e7e374e8a">
        <manifest-digest sha256new="XLCQ6PSYGDYMQBBW5PFCM536XXBYGH4C2ELA267BAE3RNK7K4PDA"/>
        <archive href="0watch-0.3.1.tar.gz" size="13178"/>
      </implementation>
  </group>
</interface>

0install/0watch.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" ?>
-<interface uri="https://apps.0install.net/0install/0watch.xml" xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
+<interface xmlns="http://zero-install.sourceforge.net/2004/injector/interface" uri="https://apps.0install.net/0install/0watch.xml">
   <name>0watch</name>
   <summary>scans websites for new releases and triggers 0template if required</summary>
   <description>
@@ -30,6 +30,10 @@
       <manifest-digest sha256new="SJNT3OYBVMS7U33JOGIHOQCNEYMCFMPOUUTDC572JBKJ6Y5YMZKQ"/>
       <archive href="https://github.com/0install/0watch/releases/download/0.3.0/0watch-0.3.0.tar.gz" size="1148"/>
     </implementation>
+    <implementation version="0.3.1" released="2023-02-12" id="sha1new=795406d52f2f7369ebedd785ceefb06e7e374e8a">
+      <manifest-digest sha256new="XLCQ6PSYGDYMQBBW5PFCM536XXBYGH4C2ELA267BAE3RNK7K4PDA"/>
+      <archive href="0watch-0.3.1.tar.gz" size="13178"/>
+    </implementation>
   </group>
 
   <entry-point binary-name="0watch" command="run"/>