add redirect rules for llms-friendly documentation

Author: okineadev

Diff for: src/public/_redirects

@@ -61,3 +61,8 @@
 /v2/guide/reactivity.html               /guide/extras/reactivity-in-depth.html
 
 /v2/*                                   https://v2.vuejs.org/v2/:splat?redirect=true    302
+
+/*.txt           /:splat.md 301
+/llms.md         /llms.txt 301
+/llms.txt        /llms.txt 200!
+/llms-full.txt   /llms-full.txt 200!