accounts: Add very initial, extremely broken account work (not including config changes)

irc/accounts.go

@@ -0,0 +1,16 @@
+// Copyright (c) 2016- Daniel Oaks <daniel@danieloaks.net>
+// released under the MIT license
+
+package irc
+
+import "time"
+
+// Account represents a user account.
+type Account struct {
+	// Name of the account.
+	Name string
+	// RegisteredAt represents the time that the account was registered.
+	RegisteredAt time.Time
+	// Clients that are currently logged into this account (useful for notifications).
+	Clients []Client
+}