Add lang#chapel layer (#3118)

autoload/SpaceVim/layers/lang/chapel.vim

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+"=============================================================================
+" chapel.vim --- chapel language support
+" Copyright (c) 2016-2019 Wang Shidong & Contributors
+" Author: Wang Shidong < wsdjeg@outlook.com >
+" URL: https://spacevim.org
+" License: GPLv3
+"=============================================================================
+
+
+function! SpaceVim#layers#lang#chapel#plugins() abort
+  let plugins = []
+  call add(plugins, ['wsdjeg/vim-chapel', { 'merged' : 0}])
+  return plugins
+endfunction
+
+function! SpaceVim#layers#lang#chapel#config() abort
+  call SpaceVim#plugins#runner#reg_runner('chapel', ['chpl -o #TEMP# %s', '#TEMP#'])
+  call SpaceVim#mapping#space#regesit_lang_mappings('chapel', function('s:language_specified_mappings'))
+endfunction
+
+function! s:language_specified_mappings() abort
+  call SpaceVim#mapping#space#langSPC('nmap', ['l','r'], 'call SpaceVim#plugins#runner#open()', 'execute current file', 1)
+endfunction

docs/cn/layers/lang/chapel.md

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+---
+title: "SpaceVim lang#chapel 模块"
+description: "这一模块为 chapel 开发提供支持，包括交互式编程、一键运行等特性。"
+lang: zh
+---
+
+# [可用模块](../../) >> lang#chapel
+
+<!-- vim-markdown-toc GFM -->
+
+- [模块简介](#模块简介)
+- [启用模块](#启用模块)
+- [快捷键](#快捷键)
+
+<!-- vim-markdown-toc -->
+
+## 模块简介
+
+这一模块为在 SpaceVim 中进行 chapel 开发提供了支持。
+
+## 启用模块
+
+可通过在配置文件内加入如下配置来启用该模块：
+
+```toml
+[[layers]]
+  name = "lang#chapel"
+```
+
+## 快捷键
+
+在编辑 chapel 文件时，可通过快捷键 `SPC l r` 快速异步运行当前文件，运行结果会展示在一个独立的执行窗口内。
+
+

docs/layers/lang/chapel.md

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+---
+title: "SpaceVim lang#chapel layer"
+description: "This layer is for chapel development, provide syntax checking, code runner and repl support for chapel file."
+---
+
+# [Available Layers](../../) >> lang#chapel
+
+<!-- vim-markdown-toc GFM -->
+
+- [Description](#description)
+- [Install](#install)
+- [Features](#features)
+- [Key bindings](#key-bindings)
+  - [Running current script](#running-current-script)
+
+<!-- vim-markdown-toc -->
+
+## Description
+
+This layer is for chapel development.
+
+## Install
+
+To use this configuration layer, update custom configuration file with:
+
+```toml
+[[layers]]
+  name = "lang#chapel"
+```
+## Features
+
+- code runner
+
+## Key bindings
+
+### Running current script
+
+To running a chapel file, you can press `SPC l r` to run current file without loss focus, and the result will be shown in a runner buffer.