Add html layer doc

autoload/SpaceVim/layers/lsp.vim

@@ -82,6 +82,7 @@ let s:lsp_servers = {
       \ 'go' : ['go-langserver', '-mode', 'stdio'],
       \ 'rust' : ['rustup', 'run', 'nightly', 'rls'],
       \ 'python' : ['pyls'],
+      \ 'html' : ['html-languageserver', '--stdio'],
       \ 'php' : ['php', g:spacevim_plugin_bundle_dir . 'repos/github.com/felixfbecker/php-language-server/bin/php-language-server.php']
       \ }
 

docs/layers/lang/html.md

@@ -0,0 +1,39 @@
+---
+title: "SpaceVim lang#html layer"
+description: "This layer is for html development"
+---
+
+# [SpaceVim Layers:](https://spacevim.org/layers) lang#html
+
+<!-- vim-markdown-toc GFM -->
+
+- [Description](#description)
+- [Layer Installation](#layer-installation)
+  - [Language server](#language-server)
+- [Features](#features)
+
+<!-- vim-markdown-toc -->
+
+## Description
+
+This layer is for html development.
+
+## Layer Installation
+
+To use this configuration layer, add `call SpaceVim#layers#load('lang#html')` to your custom configuration file.
+
+### Language server
+
+To install the language server, you need `npm` on your machine:
+
+```bash
+npm install --global vscode-html-languageserver-bin
+```
+
+## Features
+
+- auto-completion
+- syntax checking
+- goto definition
+- refernce finder
+- language server protocol (need lsp layer) 

docs/layers/language-server-protocol.md

@@ -91,6 +91,7 @@ default language server commands:
 | `haskell`    | `['hie', '--lsp']`                               |
 | `c`          | `['clangd']`                                     |
 | `cpp`        | `['clangd']`                                     |
+| `html`       | `['html-languageserver', '--stdio']`             |
 | `objc`       | `['clangd']`                                     |
 | `objcpp`     | `['clangd']`                                     |
 | `dart`       | `['dart_language_server']`                       |