#8 implement interface Source and methods for gitea without Update

internal/source/github/github.go

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