feat: bqls #3486

Author: joshbode

lua/lspconfig/configs/bqls.lua

@@ -0,0 +1,22 @@
+return {
+  default_config = {
+    cmd = { 'bqls' },
+    filetypes = { 'sql' },
+    root_dir = function(fname)
+      return vim.fs.dirname(vim.fs.find('.git', { path = fname, upward = true })[1])
+    end,
+    single_file_support = true,
+    settings = {},
+  },
+  docs = {
+    description = [[
+https://github.com/kitagry/bqls
+
+The `bqls` BigQuery language server can be installed by running:
+
+```sh
+$ go install github.com/kitagry/bqls@latest
+```
+    ]],
+  },
+}