feat: Enhance game station setup and configuration

- Updated README with detailed instructions for creating a dedicated Ansible user on Linux, including SSH key setup and passwordless sudo.
- Added userConfigurations.json for Steam ROM Manager with configurations for various gaming consoles.
- Introduced scripts for managing Gamescope and Steam sessions, including launch scripts for various emulators (Genesis, PSP, RPCS3, SNES).
- Created systemd service for Gamescope session management.
- Developed Ansible playbook for configuring Fedora for optimized Sunshine and Gamescope streaming, including user setup and system configurations.
- Updated Prometheus configuration to reflect changes in exporter targets.
- Commented out the Devolo exporter module in Terraform configuration for future reference.

scripts/gamescope-steam-session

@@ -0,0 +1,59 @@
+#!/bin/bash
+echo "Starting sunshine service..."
+
+if [ -f "$HOME/.config/gamescope/gamescope.conf" ]; then
+    source "$HOME/.config/gamescope/gamescope.conf"
+fi
+OUTPUT_CONNECTOR=${OUTPUT_CONNECTOR:-HDMI-A-1}
+FRAMERATE=${FRAMERATE:-120}
+RESOLUTION=${RESOLUTION:-1920x1080}
+HDR_ENABLED=${HDR_ENABLED:-${HDR:-1}}
+
+echo "Building gamescope command..."
+
+# Choose backend based on environment
+BACKEND_ARGS=""
+DRM_ARGS=""
+IN_WAYLAND=0
+if [ -n "${WAYLAND_DISPLAY:-}" ] || [ "${XDG_SESSION_TYPE:-}" = "wayland" ]; then
+  IN_WAYLAND=1
+  BACKEND_ARGS="--backend wayland"
+fi
+
+# HDR only relevant for DRM path generally
+HDR_FLAG=""
+if [[ "$HDR_ENABLED" == "1" || "$HDR_ENABLED" == "true" || "$HDR_ENABLED" == "yes" ]]; then
+    HDR_FLAG="--hdr-enabled"
+    echo "   HDR flag added: --hdr-enabled"
+else
+    echo "   HDR disabled, no HDR flag added"
+fi
+
+WIDTH="${RESOLUTION%x*}"
+HEIGHT="${RESOLUTION#*x}"
+
+if [ "$IN_WAYLAND" -eq 0 ]; then
+  DRM_ARGS="-O \"$OUTPUT_CONNECTOR\" -r \"$FRAMERATE\" $HDR_FLAG"
+fi
+
+echo ""
+echo "Final Configuration Summary:"
+echo "   Backend: $([ "$IN_WAYLAND" -eq 1 ] && echo Wayland || echo DRM/KMS)"
+echo "   Output Connector: ${OUTPUT_CONNECTOR}"
+echo "   Framerate: ${FRAMERATE}Hz"
+echo "   Resolution: ${RESOLUTION}"
+echo "   HDR: $([ -n "$HDR_FLAG" ] && echo "enabled" || echo "disabled")"
+echo "   MangoHUD: enabled"
+echo "   Steam Mode: SteamOS3"
+
+echo ""
+echo "Launching gamescope session..."
+echo "Full command:"
+echo "   gamescope $BACKEND_ARGS $DRM_ARGS --mangoapp -w $WIDTH -h $HEIGHT -e -- /usr/bin/steamos"
+echo ""
+echo "========================================="
+
+LOGDIR="${HOME}/.local/logs"
+mkdir -p "$LOGDIR"
+echo "[$(date --iso-8601=seconds)] Launching (backend: $([ "$IN_WAYLAND" -eq 1 ] && echo wayland || echo drm)): gamescope $BACKEND_ARGS $DRM_ARGS --mangoapp -w $WIDTH -h $HEIGHT -e -- /usr/bin/steamos" >>"$LOGDIR/gamescope-launch.log"
+exec bash -lc "gamescope $BACKEND_ARGS $DRM_ARGS --mangoapp -w $WIDTH -h $HEIGHT -e -- /usr/bin/steamos"