fix!: fix "Command X not found after loading gopher.nvim" (#100)

BREAKING CHANGE: now calling .setup is required

lua/gopher/commands.lua

@@ -0,0 +1,82 @@
+local commands = {}
+
+---@param name string
+---@param fn fun(args: table)
+---@param nargs? number|"*"|"?"
+local function cmd(name, fn, nargs)
+  nargs = nargs or 0
+  vim.api.nvim_create_user_command(name, fn, { nargs = nargs })
+end
+
+function commands.register()
+  cmd("GopherLog", function()
+    vim.cmd("tabnew " .. require("gopher._utils.log").get_outfile())
+  end)
+
+  cmd("GoIfErr", function()
+    require("gopher").iferr()
+  end)
+
+  cmd("GoCmt", function()
+    require("gopher").comment()
+  end)
+
+  cmd("GoImpl", function(args)
+    require("gopher").impl(unpack(args.fargs))
+  end, "*")
+
+  -- :GoInstall
+  cmd("GoInstallDeps", function()
+    require("gopher").install_deps()
+  end)
+
+  cmd("GoInstallDepsSync", function()
+    require("gopher").install_deps { sync = true }
+  end)
+
+  --- :GoTag
+  cmd("GoTagAdd", function(opts)
+    require("gopher").tags.add(unpack(opts.fargs))
+  end, "*")
+
+  cmd("GoTagRm", function(opts)
+    require("gopher").tags.rm(unpack(opts.fargs))
+  end, "*")
+
+  cmd("GoTagClear", function()
+    require("gopher").tags.clear()
+  end)
+
+  --- :GoTest
+  cmd("GoTestAdd", function()
+    require("gopher").test.add()
+  end)
+
+  cmd("GoTestsAll", function()
+    require("gopher").test.all()
+  end)
+
+  cmd("GoTestsExp", function()
+    require("gopher").test.exported()
+  end)
+
+  -- :Go
+  cmd("GoMod", function(opts)
+    require("gopher").mod(opts.fargs)
+  end, "*")
+
+  cmd("GoGet", function(opts)
+    vim.print(opts)
+    require("gopher").get(opts.fargs)
+  end, "*")
+
+  cmd("GoWork", function(opts)
+    require("gopher").get(opts.fargs)
+  end, "*")
+
+  cmd("GoGenerate", function(opts)
+    require("gopher").generate(opts.fargs or "")
+  end, "?")
+end
+
+return commands

lua/gopher/config.lua

@@ -114,6 +114,10 @@ function config.setup(user_config)
     ["iferr"] = { _config.iferr, "table" },
     ["iferr.message"] = { _config.iferr.message, "string", true },
   }
+
+  if _config.setup_commands then
+    require("gopher.commands").register()
+  end
 end
 
 ---@return boolean