#8 implement interface Source and methods for gitea without Update

internal/source/gogs/gogs.go

@@ -0,0 +1,15 @@
+package gogs
+
+type Gogs struct {
+	Token string
+}
+
+func NewGogs(t string) *Gogs {
+	return &Gogs{
+		Token: t,
+	}
+}
+
+func (g *Gogs) RequestOpen()   {}
+func (g *Gogs) RequestClose()  {}
+func (g *Gogs) RequestUpdate() {}