chore: add loadsync v0.3.1 changelog

Author: github-actions[bot]

docs/changelogs/loadsync/v0.3.1.md

@@ -0,0 +1,24 @@
+---
+title: "LoadSync 0.3.1 Release Notes"
+date: 2026-03-09
+version: "0.3.1"
+---
+
+# LoadSync 0.3.1
+
+**Released:** March 09, 2026
+
+## Features
+
+- Link to changelog on advanced tab of help page
+- Add support for 12 port PDU model - HZA125BAD1
+
+## Bug Fixes
+
+- Fix some cards not loading data on summary page
+- Add error handling and reconnect callbacks for NATS connection
+- Add NATSUnexpectedEOF to ignored errors in main application
+- Added default state update for resolved alarms during migration
+- Fix miner error messages not showing in advanced miner tab
+- Ensure warning symbol shows up when a miner has an error
+