Move lsp config to local file structure

.config/nvim/lsp/ds_pinyin_lsp.lua

@@ -0,0 +1,69 @@
+---@brief
+---
+--- https://github.com/iamcco/ds-pinyin-lsp
+--- Dead simple Pinyin language server for input Chinese without IME(input method).
+--- To install, download the latest [release](https://github.com/iamcco/ds-pinyin-lsp/releases) and ensure `ds-pinyin-lsp` is on your path.
+--- And make ensure the database file `dict.db3` is also downloaded. And put the path to `dict.dbs` in the following code.
+---
+--- ```lua
+---
+--- vim.lsp.config('ds_pinyin_lsp', {
+---     init_options = {
+---         db_path = "your_path_to_database"
+---     }
+--- })
+---
+--- ```
+
+local bin_name = 'ds-pinyin-lsp'
+if vim.fn.has 'win32' == 1 then
+  bin_name = bin_name .. '.exe'
+end
+
+local function ds_pinyin_lsp_off(bufnr)
+  local ds_pinyin_lsp_client = vim.lsp.get_clients({ bufnr = bufnr, name = 'ds_pinyin_lsp' })[1]
+  if ds_pinyin_lsp_client then
+    ---@diagnostic disable-next-line: param-type-mismatch
+    ds_pinyin_lsp_client:notify('$/turn/completion', {
+      ['completion_on'] = false,
+    })
+  else
+    vim.notify 'notification $/turn/completion is not supported by any servers active on the current buffer'
+  end
+end
+
+local function ds_pinyin_lsp_on(bufnr)
+  local ds_pinyin_lsp_client = vim.lsp.get_clients({ bufnr = bufnr, name = 'ds_pinyin_lsp' })[1]
+  if ds_pinyin_lsp_client then
+    ---@diagnostic disable-next-line: param-type-mismatch
+    ds_pinyin_lsp_client:notify('$/turn/completion', {
+      ['completion_on'] = true,
+    })
+  else
+    vim.notify 'notification $/turn/completion is not supported by any servers active on the current buffer'
+  end
+end
+
+---@type vim.lsp.Config
+return {
+  cmd = { bin_name },
+  filetypes = { 'markdown', 'org' },
+  root_markers = { '.git' },
+  init_options = {
+    completion_on = true,
+    show_symbols = true,
+    show_symbols_only_follow_by_hanzi = false,
+    show_symbols_by_n_times = 0,
+    match_as_same_as_input = true,
+    match_long_input = true,
+    max_suggest = 15,
+  },
+  on_attach = function(_, bufnr)
+    vim.api.nvim_buf_create_user_command(bufnr, 'LspDsPinyinCompletionOff', function()
+      ds_pinyin_lsp_off(bufnr)
+    end, { desc = 'Turn off the ds-pinyin-lsp completion' })
+    vim.api.nvim_buf_create_user_command(bufnr, 'LspDsPinyinCompletionOn', function()
+      ds_pinyin_lsp_on(bufnr)
+    end, { desc = 'Turn on the ds-pinyin-lsp completion' })
+  end,
+}