feat(nvim): Change completion source to blink.cmp

* fix: Completion does not work under Linux
* chore: Load less LSPs
* feat: Add selection border for completions

tools/nvim/lua/plugins/mod/blink-cmp.lua

@@ -0,0 +1,64 @@
+return {
+  "saghen/blink.cmp",
+  -- optional: provides snippets for the snippet source
+  dependencies = { "L3MON4D3/LuaSnip", version = "v2.*" },
+
+  -- use a release tag to download pre-built binaries
+  version = "*",
+
+  ---@module 'blink.cmp'
+  ---@type blink.cmp.Config
+  opts = {
+    keymap = {
+      preset = "default",
+      ["<Tab>"] = {
+        function(cmp)
+          if cmp.snippet_active() then
+            return cmp.accept()
+          else
+            return cmp.select_and_accept()
+          end
+        end,
+        "snippet_forward",
+        "fallback",
+      },
+      ["<C-f>"] = { "select_and_accept" },
+      ["<C-b>"] = { "hide", "fallback" },
+      ["<CR>"] = { "accept", "fallback" },
+    },
+    completion = {
+      menu = { border = "single" },
+      documentation = { window = { border = "single" } },
+    },
+    signature = { window = { border = "single" } },
+
+    appearance = {
+      -- 'mono' (default) for 'Nerd Font Mono' or 'normal' for 'Nerd Font'
+      -- Adjusts spacing to ensure icons are aligned
+      nerd_font_variant = "normal",
+    },
+
+    snippets = {
+      preset = "luasnip",
+    },
+
+    sources = {
+      default = { "lazydev", "lsp", "path", "snippets", "buffer" },
+      providers = {
+        lazydev = {
+          name = "LazyDev",
+          module = "lazydev.integrations.blink",
+          score_offset = 100,
+        },
+      },
+    },
+
+    -- (Default) Rust fuzzy matcher for typo resistance and significantly better performance
+    -- You may use a lua implementation instead by using `implementation = "lua"` or fallback to the lua implementation,
+    -- when the Rust fuzzy matcher is not available, by using `implementation = "prefer_rust"`
+    --
+    -- See the fuzzy documentation for more information
+    fuzzy = { implementation = "prefer_rust_with_warning" },
+  },
+  opts_extend = { "sources.default" },
+}