Add Racket language server setting (#403)

* add racket language server

* add install-racket-lsp.cmd

* add racket lsp information to README

* add `raco` to the requirement

README.md

@@ -130,6 +130,7 @@ Because there is no way to update a server, please run `:LspInstallServer` again
 | Python           | pyright-langserver                | Yes       | Yes           |
 | Prisma           | prisma-language-server            | Yes       | Yes           |
 | R                | languageserver                    | Yes       | No            |
+| Racket           | racket-lsp                        | Yes       | No            |
 | Reason           | reason-language-server            | Yes       | Yes           |
 | Ruby             | solargraph                        | Yes       | Yes           |
 | Rust             | rls                               | Yes       | No            |

installer/install-racket-lsp.cmd

@@ -0,0 +1,9 @@
+@echo off
+
+raco pkg install racket-langserver
+
+echo @echo off ^
+
+%%~dp0\racket.exe -l racket-langserver %%* ^
+
+> racket-lsp.cmd

installer/install-racket-lsp.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+raco pkg install racket-langserver
+cat <<EOF >racket-lsp
+#!/bin/sh
+
+racket -l racket-langserver 
+EOF
+
+chmod +x racket-lsp

settings.json

@@ -778,6 +778,14 @@
       ]
     }
   ],
+  "racket": [
+    {
+      "command": "racket-lsp",
+      "requires": [
+          "raco"
+      ]
+    }
+  ],
   "reason": [
     {
       "command": "reason-language-server",

settings/racket-lsp.vim

@@ -0,0 +1,14 @@
+augroup vim_lsp_settings_racket_lsp
+  au!
+  LspRegisterServer {
+      \ 'name': 'racket-lsp',
+      \ 'cmd': {server_info->lsp_settings#get('racket-lsp', 'cmd', [lsp_settings#exec_path('racket-lsp')])},
+      \ 'root_uri':{server_info->lsp_settings#get('racket-lsp', 'root_uri', lsp_settings#root_uri('racket-lsp'))},
+      \ 'initialization_options': lsp_settings#get('racket-lsp', 'initialization_options', v:null),
+      \ 'allowlist': lsp_settings#get('racket-lsp', 'allowlist', ['racket']),
+      \ 'blocklist': lsp_settings#get('racket-lsp', 'blocklist', []),
+      \ 'config': lsp_settings#get('racket-lsp', 'config', lsp_settings#server_config('racket-lsp')),
+      \ 'workspace_config': lsp_settings#get('racket-lsp', 'workspace_config', {}),
+      \ 'semantic_highlight': lsp_settings#get('racket-lsp', 'semantic_highlight', {}),
+      \ }
+augroup END