gopls/doc: command for rendering code lenses inline in Neovim

[fredrikaverpil]

This adds a lead on how to render code lenses inline, for gopls, in Neovim.

A full example (requires Neovim v0.11.0, where vim.lsp.config and vim.lsp.enable was introduced):

local config = {
  cmd = { "gopls" },
  filetypes = { "go", "gomod", "gowork", "gosum" },
  root_markers = { "go.work", "go.mod", ".git" },
  on_attach = function(client, bufnr)
    if client.supports_method("textDocument/codeLens") then
        vim.lsp.codelens.refresh()
        vim.api.nvim_create_autocmd(
          { "BufEnter", "CursorHold", "InsertLeave" },
          { buffer = bufnr, callback = vim.lsp.codelens.refresh },
        )
    end
  end,
  settings = {
    gopls = {
      -- https://github.com/golang/tools/blob/master/gopls
      buildFlags = { "-tags=wireinject,integration" },
      gofumpt = false,
    },
  },
}
vim.lsp.config["gopls"] = config
vim.lsp.enable("gopls", true)

Official help docs:
https://neovim.io/doc/user/lsp.html#_lua-module:-vim.lsp.codelens

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[gopherbot]

Message from Gopher Robot:

Patch Set 1:

(1 comment)

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Patch Set 1:

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[gopherbot]

This PR (HEAD: 010d34a) has been imported to Gerrit for code review.

Please visit Gerrit at https://go-review.googlesource.com/c/tools/+/645555.

Important tips:

• Don't comment on this PR. All discussion takes place in Gerrit.
• You need a Gmail or other Google account to log in to Gerrit.
• To change your code in response to feedback:
  • Push a new commit to the branch used by your GitHub PR.
  • A new "patch set" will then appear in Gerrit.
  • Respond to each comment by marking as Done in Gerrit if implemented as suggested. You can alternatively write a reply.
  • Critical: you must click the blue Reply button near the top to publish your Gerrit responses.
  • Multiple commits in the PR will be squashed by GerritBot.
• The title and description of the GitHub PR are used to construct the final commit message.
  • Edit these as needed via the GitHub web interface (not via Gerrit or git).
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• See the Sending a change via GitHub and Reviews sections of the Contribution Guide as well as the FAQ for details.

[gopherbot]

Message from Fredrik Averpil:

Patch Set 1:

(2 comments)

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