pkg(rockstar-1.0.0): Add rockstar 1.0.0 (#184)

Co-authored-by: Vargas, Dan <dan.vargas@frostbank.com>

packages/rockstar/1.0.0/build.sh

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+#!/bin/bash
+
+# Download and install NodeJS
+curl "https://nodejs.org/dist/v15.10.0/node-v15.10.0-linux-x64.tar.xz" -o node.tar.xz
+tar xf node.tar.xz --strip-components=1
+rm node.tar.xz
+export PATH=$PWD/bin:$PATH
+
+# Pull Rockstar reference implementation project
+git clone -q "https://github.com/RockstarLang/rockstar.git" rockstar
+cd rockstar
+git reset --hard bc9eedc6acb7c0f31a425cc204dcd93cb3e68936
+
+# Install Satriani dependencies
+cd satriani
+npm install
+cd ../..
+
+# Suppress "(program returned no output)" output at the end of each program
+sed -i 's/console.log(result ? result : "(program returned no output)");/if (result) console.log(result);/g' rockstar/satriani/rockstar.js

packages/rockstar/1.0.0/environment

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+export ROCKSTAR_PATH=$PWD/rockstar/satriani
+export PATH=$PWD/bin:$PATH

packages/rockstar/1.0.0/metadata.json

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+{
+    "language": "rockstar",
+    "version": "1.0.0",
+    "author": "Dan Vargas <danvargas46@gmail.com>",
+    "aliases": ["rockstar", "rock"]
+}

packages/rockstar/1.0.0/run

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+#!/bin/bash
+
+node $ROCKSTAR_PATH/rockstar "$@"

packages/rockstar/1.0.0/test.rock

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+My heart is burning powerless
+My mind is failing right
+Cast my heart
+Cast my mind
+
+My feelings are empty
+Let my feelings be with my heart
+Let my feelings be with my mind
+Shout my feelings