app-mobilephone/heimdall: add maintainer, update upstream

Signed-off-by: Duje Mihanović <[email protected]>
Signed-off-by: Joonas Niilola <[email protected]>

app-mobilephone/heimdall/metadata.xml

@@ -1,8 +1,19 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
- <!-- maintainer-needed -->
+ <maintainer type="person" proxied="yes">
+ <email>[email protected]</email>
+ <name>Duje Mihanović</name>
+ </maintainer>
+ <maintainer type="project" proxied="proxy">
+ <email>[email protected]</email>
+ <name>Proxy Maintainers</name>
+ </maintainer>
  <upstream>
- <remote-id type="github">Benjamin-Dobell/Heimdall</remote-id>
+ <maintainer status="active">
+ <name>Henrik Grimler</name>
+ <email>[email protected]</email>
+ </maintainer>
+ <doc>https://git.sr.ht/~grimler/Heimdall/tree/master/Linux/README</doc>
  </upstream>
 </pkgmetadata>