pkg(racket-8.3.0): added racket 8.3.0

packages/racket/8.3.0/build.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+# curl racket 8.3 linux installation shell file
+curl -L 'https://download.racket-lang.org/installers/8.3/racket-8.3-x86_64-linux-cs.sh' -o racket.sh
+
+# provide settings "no" "4" and "<CR>" to racket.sh
+echo "no
+4
+" | sh racket.sh
+

packages/racket/8.3.0/environment

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+# Path to racket binary
+export PATH=$PWD/bin:$PATH
+export RACKET_PATH=$PWD/racket

packages/racket/8.3.0/metadata.json

@@ -0,0 +1,5 @@
+{
+    "language": "racket",
+    "version": "8.3.0",
+    "aliases": ["rkt"]
+}

packages/racket/8.3.0/run

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+"$RACKET_PATH"/bin/racket "$@"

packages/racket/8.3.0/test.rkt

@@ -0,0 +1,3 @@
+#lang racket
+
+(display "OK")

readme.md

@@ -382,8 +382,9 @@ Content-Type: application/json
 `pyth`,
 `python`,
 `python2`,
-`retina`,
+`racket`,
 `raku`,
+`retina`,
 `rockstar`,
 `rscript`,
 `ruby`,