docs(docs): rename phase titles to numeric format and add redirect for /134

apps/docs/redirects.ts

@@ -31,6 +31,7 @@ export default [
   { from: "/125", to: "/two-pointers/valid-palindrome" },
   { from: "/127", to: "/graph-bfs/word-ladder" },
   { from: "/133", to: "/graph-dfs/clone-graph" },
+  { from: "/134", to: "/greedy/gas-station" },
   { from: "/141", to: "/linked-list/linked-list-cycle" },
   { from: "/146", to: "/hybrid-structures/lru-cache" },
   { from: "/150", to: "/stack/evaluate-reverse-polish-notation" },