Added favicons (iconset && auto-detection)

models/icon.go

@@ -0,0 +1,13 @@
+package models
+
+import (
+	"gogs.mikescher.com/BlackForestBytes/goext/rfctime"
+)
+
+type Icon struct {
+	IconID      IconID                  `bson:"_id,omitempty" json:"id"`
+	Checksum    string                  `bson:"checksum"      json:"checksum"`
+	Data        []byte                  `bson:"data"          json:"data"`
+	ContentType string                  `bson:"contentType"   json:"contentType"`
+	Time        rfctime.RFC3339NanoTime `bson:"time"          json:"time"`
+}