added Makefile and remaining build infrastructure

scripts/eula.txt.template

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+#By changing the setting below to TRUE you are indicating your agreement to our EULA (https://account.mojang.com/documents/minecraft_eula).
+#Tue Nov 17 17:47:41 MST 2015
+eula=true

scripts/launch.bat.template

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+java -Xmx4G -XX:MaxPermSize=256m -jar @FORGEJAR@

scripts/launch.sh.template

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+#!/bin/sh
+MEMSZ=4G
+PERMSZ=256m
+FORGEJAR=@FORGEJAR@
+
+exec java -Xmx$MEMSZ -XX:MaxPermSize=$PERMSZ -jar $FORGEJAR

scripts/list-mods

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+#!/usr/bin/perl
+# list-mods - Lists out the contents of the modlist.txt to just show the mod JAR names.
+# AGRB 1/24/2023
+
+die "Usage: $0 directory-name\n" if $#ARGV < 0;
+my $dir = $ARGV[0];
+die "$0: $dir is not a directory\n" unless -d $dir;
+die "$0: $dir does not contain a modlist.txt\n" unless -f "$dir/modlist.txt";
+open MODLIST, "<$dir/modlist.txt" or die "$0: unable to open $dir/modlist.txt";
+while (<MODLIST>) {
+    chomp;
+    next if /^\s*#/;
+    ($modjar, $url) = split(/\|/);
+    print "$modjar\n"
+}
+close MODLIST;
+exit 0;

scripts/server.properties.template

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+#Minecraft server properties
+#Tue Nov 17 17:51:25 MST 2015
+generator-settings=
+op-permission-level=4
+allow-nether=true
+level-name=world
+enable-query=false
+allow-flight=false
+announce-player-achievements=true
+server-port=25565
+level-type=DEFAULT
+enable-rcon=false
+level-seed=
+force-gamemode=false
+server-ip=
+max-build-height=256
+spawn-npcs=true
+white-list=false
+spawn-animals=true
+hardcore=false
+snooper-enabled=true
+online-mode=true
+resource-pack=
+pvp=true
+difficulty=1
+enable-command-block=false
+gamemode=0
+player-idle-timeout=0
+max-players=20
+spawn-monsters=true
+generate-structures=true
+view-distance=10
+motd=Erbosoft Sierra @VERSION@ Server