add repo metadata

metadata/chat.delta.yml

@@ -0,0 +1,29 @@
+Categories:
+  - Messaging
+  - Security
+
+License: GPL-3.0-or-later
+
+AuthorName: DeltaChat Community
+AuthorEmail: contact@delta.chat
+AuthorWebSite: https://delta.chat/
+
+SourceCode: https://github.com/deltachat/deltachat-android
+IssueTracker: https://github.com/deltachat/deltachat-android/issues
+
+AutoName: Delta Chat
+
+Summary: Decentralized email-based secure messaging app.
+
+Description: |
+  Delta Chat is a free and open-source decentralized
+  messenger that uses standard email protocols to
+  send and receive end-to-end encrypted messages
+  without relying on central servers.
+
+  It works across Android, iOS, and desktop platforms,
+  allowing users to chat securely with anyone using
+  an email address while maintaining privacy and
+  resilience against network restrictions.
+
+