fix #855: appdata file in deb packages

package/deb/usr/share/metainfo/net.antelle.keeweb.appdata.xml

@@ -0,0 +1,30 @@
+​<?xml version="1.0" encoding="UTF-8"?>
+​<!-- Copyright 2020 Antelle <antelle.net@email.com> -->
+​<component type="desktop-application">
+​  <id>net.antelle.keeweb</id>
+​  <metadata_license>MIT</metadata_license>
+​  <project_license>MIT</project_license>
+​  <name>KeeWeb</name>
+​  <summary>Free cross-platform password manager compatible with KeePass</summary>
+​
+​  <description>
+​    <p>
+​      Free cross-platform password manager compatible with KeePass
+​    </p>
+​  </description>
+​
+​  <launchable type="desktop-id">keeweb.desktop</launchable>
+​
+​  <screenshots>
+​    <screenshot type="default">
+​      <caption>Main window</caption>
+​      <image>https://raw.githubusercontent.com/keeweb/keeweb/master/img/screenshot.png</image>
+​    </screenshot>
+​  </screenshots>
+​
+​  <url type="homepage">https://keeweb.info</url>
+​
+​  <provides>
+​    <binary>KeeWeb</binary>
+​  </provides>
+​</component>

release-notes.md

@@ -16,6 +16,7 @@ Release notes
 `+` #784: AppImage distributable  
 `+` #572: RPM distributable  
 `+` #450: Snap distributable  
+`+` #855: appdata file in deb packages  
 `-` fix #1396: fixed hyperlinks in notes  
 `-` fix #1323: version in the About dialog  
 `-` fix #734: OTP secrets with spaces