Support for Erlang OTP on Docker

One latest version for each of Last two major releases supported,
right there are 18.1, 17.5 from erlang otp releases:
https://github.com/erlang/otp/releases

library/erlang

@@ -0,0 +1,10 @@
+# maintainer: denc716@gmail.com (@c0b)
+
+18.1.3: git://github.com/c0b/docker-erlang-otp@7a86ea4d35b99d1c40a9f2fe1470615e096c952a 18
+18.1:   git://github.com/c0b/docker-erlang-otp@7a86ea4d35b99d1c40a9f2fe1470615e096c952a 18
+18:     git://github.com/c0b/docker-erlang-otp@7a86ea4d35b99d1c40a9f2fe1470615e096c952a 18
+latest: git://github.com/c0b/docker-erlang-otp@7a86ea4d35b99d1c40a9f2fe1470615e096c952a 18
+
+17.5.6.4: git://github.com/c0b/docker-erlang-otp@7a86ea4d35b99d1c40a9f2fe1470615e096c952a 17
+17.5:     git://github.com/c0b/docker-erlang-otp@7a86ea4d35b99d1c40a9f2fe1470615e096c952a 17
+17:       git://github.com/c0b/docker-erlang-otp@7a86ea4d35b99d1c40a9f2fe1470615e096c952a 17

test/config.sh

@@ -42,6 +42,9 @@ imageTests+=(
 	[elasticsearch]='
 		elasticsearch-basics
 	'
+	[erlang]='
+		erlang-hello-world
+	'
 	[gcc]='
 		gcc-c-hello-world
 		gcc-cpp-hello-world

test/tests/erlang-hello-world/expected-std-out.txt

@@ -0,0 +1 @@
+Hello World!

test/tests/erlang-hello-world/hello-world.erl

@@ -0,0 +1,6 @@
+#!/usr/bin/env escript
+
+-module('hello-world').
+
+main(_) ->
+  io:format("Hello World!~n").

test/tests/erlang-hello-world/run.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+set -e
+
+image="$1"
+dirTest="$(dirname "$(readlink -f "$BASH_SOURCE")")"
+dirContainer='/usr/src/erlang'
+
+docker run --rm -v "$dirTest":"$dirContainer":ro -w "$dirContainer" "$image" escript hello-world.erl