feat(nvim): add gelguy/wilder.nvim

config/nvim/lua/plugins/wilder.lua

@@ -0,0 +1,31 @@
+-- A more adventurous wildmenu
+-- https://github.com/gelguy/wilder.nvim
+
+return {
+  'gelguy/wilder.nvim',
+  config = function()
+    local wilder = require('wilder')
+    wilder.setup({ modes = { ':', '/', '?' } })
+
+    local gradient = {
+      '#f4468f', '#fd4a85', '#ff507a', '#ff566f', '#ff5e63',
+      '#ff6658', '#ff704e', '#ff7a45', '#ff843d', '#ff9036',
+      '#f89b31', '#efa72f', '#e6b32e', '#dcbe30', '#d2c934',
+      '#c8d43a', '#bfde43', '#b6e84e', '#aff05b'
+    }
+
+    for i, fg in ipairs(gradient) do
+      gradient[i] = wilder.make_hl('WilderGradient' .. i, 'Pmenu', { { a = 1 }, { a = 1 }, { foreground = fg } })
+    end
+
+    wilder.set_option('renderer', wilder.popupmenu_renderer({
+      highlights = {
+        gradient = gradient, -- must be set
+        -- selected_gradient key can be set to apply gradient highlighting for the selected candidate.
+      },
+      highlighter = wilder.highlighter_with_gradient({
+        wilder.basic_highlighter(), -- or wilder.lua_fzy_highlighter(),
+      }),
+    }))
+  end,
+}