Refactor and remove sqlite and replace with MySQL

internal/models/audit.go

@@ -0,0 +1,14 @@
+package models
+
+import "time"
+
+type AuditEntry struct {
+	ID        int
+	UserID    int
+	Username  string
+	Action    string
+	Path      string
+	IP        string
+	UserAgent string
+	Timestamp time.Time
+}