build: netlify redirect to llms.txt

- netlify route redirect to `llms.txt`、`llms-full.txt` path

Author: veaba

netlify.toml

@@ -4,3 +4,13 @@
 [build]
   publish = ".vitepress/dist"
   command = "pnpm run build"
+
+[[redirects]]
+  from = "/llms.md"
+  status = 301
+  to = "/llms.txt"
+
+[[redirects]]
+  from = "/llms-full.md"
+  status = 301
+  to = "/llms-full.txt"