chore: bump version and add changelog

docs/changelog/index.md

@@ -4,6 +4,7 @@ Release history for EchoHub.
 
 ## Releases
 
+- [v0.2.17](v0.2.17.md) - IRC Multi-Line Fix
 - [v0.2.16](v0.2.16.md) - Periodic Server-Stats Report, Upload & Moderation Logging & Quieter Connection Logs
 - [v0.2.15](v0.2.15.md) - Invite Codes, Data Export & Deletion, /me, /banner, Replies, Open Images In Browser & IRC Image Links
 - [v0.2.14](v0.2.14.md) - Clipboard Image & Multi-File Paste, E2E Room Unlock Fixes, Encrypted Key Cache & IRC Gateway Polish

docs/changelog/toc.yml

@@ -1,5 +1,7 @@
 - name: Overview
   href: index.md
+- name: v0.2.17
+  href: v0.2.17.md
 - name: v0.2.16
   href: v0.2.16.md
 - name: v0.2.15

docs/changelog/v0.2.17.md

@@ -0,0 +1,5 @@
+# v0.2.17
+
+## Bug Fixes
+
+- **IRC multi-line messages** — sending a message with line breaks from the TUI now correctly delivers each line as a separate PRIVMSG to IRC clients. Previously newlines were embedded raw in the IRC frame, which could create invalid messages.