docs: install deps

doc/gopher.nvim.txt

@@ -9,6 +9,7 @@ It's not an LSP tool, the main goal of this plugin is add go tooling support in
                                                  *gopher.nvim-table-of-contents*
 Table of Contents
   Setup....................................................|gopher.nvim-setup|
+  Install dependencies..............................|gopher.nvim-install-deps|
   Configuration...........................................|gopher.nvim-config|
 
 ------------------------------------------------------------------------------
@@ -21,6 +22,13 @@ Calling this function is optional, if you ok with default settings. Look |gopher
 Usage ~
 `require("gopher").setup {}` (replace `{}` with your `config` table)
 
+------------------------------------------------------------------------------
+                                                      *gopher.nvim-install-deps*
+                             `gopher.install_deps`
+Gopher.nvim implements most of its features using third-party tools.
+To  install these tools, you can run `:GoInstallDeps` command
+or call `require("gopher").install_deps()` if you want ues lua api.
+
 
 ==============================================================================
 ------------------------------------------------------------------------------

lua/gopher/init.lua

@@ -22,7 +22,14 @@ local gopher = {}
 ---
 ---@usage `require("gopher").setup {}` (replace `{}` with your `config` table)
 gopher.setup = require("gopher.config").setup
+
+---@toc_entry Install dependencies
+---@tag gopher.nvim-install-deps
+---@text Gopher.nvim implements most of its features using third-party tools.
+--- To  install these tools, you can run `:GoInstallDeps` command
+--- or call `require("gopher").install_deps()` if you want ues lua api.
 gopher.install_deps = require("gopher.installer").install_deps
+
 gopher.impl = require("gopher.impl").impl
 gopher.iferr = require("gopher.iferr").iferr
 gopher.comment = require "gopher.comment"