Work on squads, alerts on new user with empty or spy profile

Closes #1
Closes #2

lib/welcomer/exported.go

@@ -0,0 +1,31 @@
+// i2_bot – Instinct PokememBro Bot
+// Copyright (c) 2017 Vladimir "fat0troll" Hodakov
+
+package welcomer
+
+import (
+	// stdlib
+	"log"
+	// local
+	"lab.pztrn.name/fat0troll/i2_bot/lib/appcontext"
+	"lab.pztrn.name/fat0troll/i2_bot/lib/welcomer/welcomerinterface"
+)
+
+var (
+	c *appcontext.Context
+)
+
+// Welcomer is a function-handling struct for talkers
+type Welcomer struct{}
+
+// New is a appcontext initialization function
+func New(ac *appcontext.Context) {
+	c = ac
+	m := &Welcomer{}
+	c.RegisterWelcomerInterface(welcomerinterface.WelcomerInterface(m))
+}
+
+// Init is an initialization function for talkers
+func (w *Welcomer) Init() {
+	log.Printf("Initializing Welcomer...")
+}