fix: build workflows and migrate base to oses

Fix bot image workflow build and migrate base images to oses since it appears we already have such folder - although badly named (why not base?).

oses/ubuntu/Dockerfile

@@ -0,0 +1,24 @@
+FROM  ubuntu:20.04
+
+LABEL author="Michael Parker" maintainer="parker@pterodactyl.io"
+
+ENV   DEBIAN_FRONTEND noninteractive
+
+## add container user
+RUN   useradd -m -d /home/container -s /bin/bash container
+
+## update base packages
+RUN   apt update \
+ &&   apt upgrade -y
+
+## install dependencies
+RUN   apt install -y gcc g++ libgcc1 lib32gcc1 libc++-dev gdb libc6 git wget curl tar zip unzip binutils xz-utils liblzo2-2 cabextract iproute2 net-tools netcat telnet libatomic1 libsdl1.2debian libsdl2-2.0-0 \
+        libfontconfig libicu60 libiculx60 icu-devtools libunwind8 libssl1.0.0 libssl1.0-dev sqlite3 libsqlite3-dev libmariadbclient-dev libduktape202 libzip4 locales ffmpeg apt-transport-https init-system-helpers \
+        libcurl3-gnutls libjsoncpp1 libleveldb1v5 liblua5.1-0 libluajit-5.1-2 libsqlite3-0 libfluidsynth1 bzip2 zlib1g
+
+## configure locale
+RUN   update-locale lang=en_US.UTF-8 \
+ &&   dpkg-reconfigure --frontend noninteractive locales
+
+COPY  ./entrypoint.sh /entrypoint.sh
+CMD   ["/bin/bash", "/entrypoint.sh"]

oses/ubuntu/entrypoint.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+cd /home/container
+
+# Make internal Docker IP address available to processes.
+export INTERNAL_IP=`ip route get 1 | awk '{print $NF;exit}'`
+
+# Replace Startup Variables
+MODIFIED_STARTUP=$(echo -e ${STARTUP} | sed -e 's/{{/${/g' -e 's/}}/}/g')
+echo -e ":/home/container$ ${MODIFIED_STARTUP}"
+
+# Run the Server
+eval ${MODIFIED_STARTUP}