docs(docs): add Reorder List page, rename phase titles, update redirects

apps/docs/redirects.ts

@@ -47,6 +47,7 @@ export default [
   { from: "/133", to: "/graph-dfs/clone-graph" },
   { from: "/134", to: "/greedy/gas-station" },
   { from: "/141", to: "/linked-list/linked-list-cycle" },
+  { from: "/143", to: "/linked-list/reorder-list" },
   { from: "/146", to: "/hybrid-structures/lru-cache" },
   { from: "/150", to: "/stack/evaluate-reverse-polish-notation" },
   { from: "/153", to: "/binary-search/find-minimum-in-rotated-sorted-array" },