feat(plugins): add URL picker and today‑modified file finder, replace Supermaven with NeoCodeium

lua/plugins/blink-supermaven.lua

@@ -1,26 +0,0 @@
--- Native supermaven source for blink.cmp (mirrors the astrocommunity blink-copilot pattern).
--- Inline ghost text + <C-l> accept come from `astrocommunity.completion.supermaven-nvim`;
--- this additionally surfaces supermaven suggestions in the blink menu so <Tab>/<CR> work.
-return {
-  "Huijiro/blink-cmp-supermaven",
-  lazy = true,
-  specs = {
-    {
-      "saghen/blink.cmp",
-      optional = true,
-      opts = {
-        sources = {
-          default = { "supermaven" },
-          providers = {
-            supermaven = {
-              name = "supermaven",
-              module = "blink-cmp-supermaven",
-              score_offset = 100,
-              async = true,
-            },
-          },
-        },
-      },
-    },
-  },
-}