refactor(重定向): del ip6,create kook & tg

src/pages/ip6.astro

@@ -1,3 +0,0 @@
----
-return Astro.redirect("https://b.2.f.f.0.7.4.0.1.0.0.2.ip6.arpa/", 301);
----

src/pages/kook.astro

@@ -0,0 +1,3 @@
+---
+return Astro.redirect("https://kook.vip/K29zpT", 301);
+---

src/pages/tg.astro

@@ -1,3 +1,3 @@
 ---
-return Astro.redirect("https://t.me/+blyHrp_GihhhMWVl", 301);
+return Astro.redirect("https://t.me/+_07DERp7k1ljYTc1", 301);
 ---