Adding Raku

probably doesn't work lol tried copying the other ones someone could probably implement it using the build instructions from this https://rakudo.org/downloads/rakudo/source

packages/raku/build.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+mkdir -p bin
+cd bin/
+
+curl -L "https://rakudo.org/dl/rakudo/rakudo-moar-2021.05-01-linux-x86_64-gcc.tar.gz" -o raku.tar.xz
+tar xf raku.tar.xz --strip-components=1
+rm raku.tar.xz
+
+cd ../

packages/raku/environment

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+#!/bin/bash
+
+# Path to raku binary
+export PATH=$PWD/bin:$PATH

packages/raku/metadata.json

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+{
+    "language": "raku",
+    "version": "v6.d",
+    "aliases": ["raku", "rakudo", "perl6", "p6", "pl6"]
+}

packages/raku/run

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+#!/bin/bash
+
+raku "$@"

packages/raku/test.raku

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+say "Hello Bruh"