Initial PropHunt server setup

- Complete bare metal installer with SteamCMD, MetaMod, SourceMod, ULX
- Docker installer with one-liner support
- Server configuration files (server.cfg, autoexec.cfg, mount.cfg)
- Update script for easy maintenance
- Backup script for server data
- Workshop collection documentation
- SourceMod admin configuration template

docker/Dockerfile

@@ -0,0 +1,119 @@
+#===============================================================================
+# Garry's Mod PropHunt Server - Docker Image
+# Repository: https://git.vish.gg/Vish/gmod-prophunt-server
+#===============================================================================
+
+FROM debian:bookworm-slim
+
+LABEL maintainer="Vish <dvish92@gmail.com>"
+LABEL description="Garry's Mod PropHunt Dedicated Server"
+LABEL version="1.0"
+
+# Environment variables
+ENV DEBIAN_FRONTEND=noninteractive \
+    GMOD_INSTALL_DIR=/home/gmod \
+    SERVER_DIR=/home/gmod/serverfiles \
+    STEAMCMD_DIR=/home/gmod/steamcmd \
+    SRCDS_TOKEN="" \
+    SERVER_NAME="PropHunt Server" \
+    RCON_PASSWORD="changeme" \
+    MAX_PLAYERS="24" \
+    MAP="gm_construct" \
+    PORT="27015" \
+    GAMEMODE="prop_hunt" \
+    WORKSHOP_COLLECTION="" \
+    TICKRATE="66" \
+    TZ="America/Los_Angeles"
+
+# Install dependencies
+RUN dpkg --add-architecture i386 && \
+    apt-get update && \
+    apt-get install -y --no-install-recommends \
+        ca-certificates \
+        curl \
+        wget \
+        tar \
+        unzip \
+        lib32gcc-s1 \
+        lib32stdc++6 \
+        libsdl2-2.0-0:i386 \
+        locales \
+        tzdata && \
+    sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen && \
+    locale-gen && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+ENV LANG=en_US.UTF-8 \
+    LANGUAGE=en_US:en \
+    LC_ALL=en_US.UTF-8
+
+# Create user and directories
+RUN useradd -m -s /bin/bash gmod && \
+    mkdir -p ${SERVER_DIR} ${STEAMCMD_DIR} && \
+    chown -R gmod:gmod /home/gmod
+
+# Switch to gmod user
+USER gmod
+WORKDIR /home/gmod
+
+# Install SteamCMD
+RUN cd ${STEAMCMD_DIR} && \
+    curl -sqL "https://steamcdn-a.akamaihd.net/client/installer/steamcmd_linux.tar.gz" | tar zxvf -
+
+# Install Garry's Mod server
+RUN cd ${STEAMCMD_DIR} && \
+    ./steamcmd.sh +force_install_dir ${SERVER_DIR} \
+        +login anonymous \
+        +app_update 4020 validate \
+        +quit
+
+# Install MetaMod:Source
+RUN cd /tmp && \
+    METAMOD_VER=$(curl -s "https://mms.alliedmods.net/mmsdrop/1.11/" | grep -oP 'mmsource-[\d.]+-git\d+-linux\.tar\.gz' | tail -1) && \
+    wget -q "https://mms.alliedmods.net/mmsdrop/1.11/${METAMOD_VER}" -O metamod.tar.gz && \
+    tar -xzf metamod.tar.gz -C ${SERVER_DIR}/garrysmod/ && \
+    rm metamod.tar.gz
+
+# Install SourceMod
+RUN cd /tmp && \
+    SOURCEMOD_VER=$(curl -s "https://sm.alliedmods.net/smdrop/1.11/" | grep -oP 'sourcemod-[\d.]+-git\d+-linux\.tar\.gz' | tail -1) && \
+    wget -q "https://sm.alliedmods.net/smdrop/1.11/${SOURCEMOD_VER}" -O sourcemod.tar.gz && \
+    tar -xzf sourcemod.tar.gz -C ${SERVER_DIR}/garrysmod/ && \
+    rm sourcemod.tar.gz
+
+# Install ULib and ULX
+RUN cd /tmp && \
+    wget -q "https://github.com/TeamUlysses/ulib/archive/refs/heads/master.zip" -O ulib.zip && \
+    unzip -q ulib.zip -d ${SERVER_DIR}/garrysmod/addons/ && \
+    mv ${SERVER_DIR}/garrysmod/addons/ulib-master ${SERVER_DIR}/garrysmod/addons/ulib && \
+    rm ulib.zip && \
+    wget -q "https://github.com/TeamUlysses/ulx/archive/refs/heads/master.zip" -O ulx.zip && \
+    unzip -q ulx.zip -d ${SERVER_DIR}/garrysmod/addons/ && \
+    mv ${SERVER_DIR}/garrysmod/addons/ulx-master ${SERVER_DIR}/garrysmod/addons/ulx && \
+    rm ulx.zip
+
+# Copy configuration files
+COPY --chown=gmod:gmod cfg/ ${SERVER_DIR}/garrysmod/cfg/
+COPY --chown=gmod:gmod scripts/docker-entrypoint.sh /home/gmod/entrypoint.sh
+
+# Make scripts executable
+USER root
+RUN chmod +x /home/gmod/entrypoint.sh ${SERVER_DIR}/srcds_run ${SERVER_DIR}/srcds_linux 2>/dev/null || true
+USER gmod
+
+# Expose ports
+EXPOSE 27015/tcp 27015/udp 27005/udp 27020/udp
+
+# Volumes for persistent data
+VOLUME ["/home/gmod/serverfiles/garrysmod/data", \
+        "/home/gmod/serverfiles/garrysmod/cfg", \
+        "/home/gmod/serverfiles/garrysmod/addons"]
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=120s --retries=3 \
+    CMD curl -f http://localhost:27015/ 2>/dev/null || exit 1
+
+WORKDIR ${SERVER_DIR}
+
+ENTRYPOINT ["/home/gmod/entrypoint.sh"]