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/nvim-lspconfig.lua

@@ -0,0 +1,42 @@
+return {
+  "neovim/nvim-lspconfig",
+  dependencies = { "saghen/blink.cmp" },
+
+  -- example using `opts` for defining servers
+  opts = {
+    servers = {
+      lua_ls = {},
+      bashls = {},
+      clangd = {},
+      eslint = {}, -- JavaScript
+      gopls = {}, -- Go
+      jsonls = {}, -- JSON
+      markdown_oxide = {}, -- Markdown
+      omnisharp = {}, -- C# & F#
+      powershell_es = {}, -- PowerShell
+      pyright = {}, -- Python
+      taplo = {}, -- TOML
+      ts_ls = {}, -- TypeScript
+      vimls = {}, -- vimscript
+      yamlls = {}, -- YAML
+      beancount = {}, -- Beancount
+    },
+  },
+  config = function(_, opts)
+    local lspconfig = require("lspconfig")
+    for server, config in pairs(opts.servers) do
+      -- passing config.capabilities to blink.cmp merges with the capabilities in your
+      -- `opts[server].capabilities, if you've defined it
+      config.capabilities = require("blink.cmp").get_lsp_capabilities(config.capabilities)
+      lspconfig[server].setup(config)
+    end
+  end,
+
+  -- example calling setup directly for each LSP
+  -- config = function()
+  --   local capabilities = require('blink.cmp').get_lsp_capabilities()
+  --   local lspconfig = require('lspconfig')
+  --
+  --   lspconfig['lua_ls'].setup({ capabilities = capabilities })
+  -- end
+}