feat: add Resilio Sync LXC container script

Adds new LXC container script for Resilio Sync peer-to-peer file synchronization.
Includes container creation script, install script, and frontend json following project conventions.

ct/resiliosync.sh

@@ -0,0 +1,44 @@
+#!/usr/bin/env bash
+source <(curl -s https://raw.githubusercontent.com/community-scripts/ProxmoxVED/main/misc/build.func)
+# Copyright (c) 2021-2025 community-scripts ORG
+# Author: David Bennett (dbinit)
+# License: MIT | https://github.com/community-scripts/ProxmoxVED/raw/main/LICENSE
+# Source: https://www.resilio.com/sync
+
+APP="Resilio Sync"
+var_tags="${var_tags:-sync}"
+var_cpu="${var_cpu:-2}"
+var_ram="${var_ram:-2048}"
+var_disk="${var_disk:-8}"
+var_os="${var_os:-debian}"
+var_version="${var_version:-12}"
+var_unprivileged="${var_unprivileged:-1}"
+
+header_info "$APP"
+variables
+color
+catch_errors
+
+function update_script() {
+    header_info
+    check_container_storage
+    check_container_resources
+    if [[ ! -d /var/lib/resilio-sync ]]; then
+        msg_error "No ${APP} Installation Found!"
+        exit
+    fi
+    msg_info "Updating ${APP} LXC"
+    $STD apt-get update
+    $STD apt-get -y upgrade
+    msg_ok "Updated Successfully"
+    exit
+}
+
+start
+build_container
+description
+
+msg_ok "Completed Successfully!\n"
+echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"
+echo -e "${INFO}${YW} Access it using the following URL:${CL}"
+echo -e "${TAB}${GATEWAY}${BGN}https://${IP}:8888${CL}"

frontend/public/json/resiliosync.json

@@ -0,0 +1,35 @@
+{
+  "name": "Resilio Sync",
+  "slug": "resiliosync",
+  "categories": [
+    11
+  ],
+  "date_created": "2025-08-14",
+  "type": "ct",
+  "updateable": true,
+  "privileged": false,
+  "config_path": "/etc/resilio-sync/config.json",
+  "interface_port": 8888,
+  "documentation": "https://help.resilio.com/",
+  "website": "https://www.resilio.com/sync",
+  "logo": "https://www.resilio.com/images/sync-appicon-blue-bg.svg",
+  "description": "Fast, reliable, and simple file sync and share solution, powered by P2P technology. Sync files across all your devices without storing them in the cloud.",
+  "install_methods": [
+    {
+      "type": "default",
+      "script": "ct/resiliosync.sh",
+      "resources": {
+        "cpu": 2,
+        "ram": 2048,
+        "hdd": 8,
+        "os": "debian",
+        "version": "12"
+      }
+    }
+  ],
+  "default_credentials": {
+    "username": null,
+    "password": null
+  },
+  "notes": []
+}

install/resiliosync-install.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2025 community-scripts ORG
+# Author: David Bennett (dbinit)
+# License: MIT | https://github.com/community-scripts/ProxmoxVED/raw/main/LICENSE
+# Source: https://www.resilio.com/sync
+
+source /dev/stdin <<<"$FUNCTIONS_FILE_PATH"
+color
+verb_ip6
+catch_errors
+setting_up_container
+network_check
+update_os
+
+msg_info "Installing Resilio Sync"
+curl -fsSL "https://linux-packages.resilio.com/resilio-sync/key.asc" >/etc/apt/trusted.gpg.d/resilio-sync.asc
+echo "deb [signed-by=/etc/apt/trusted.gpg.d/resilio-sync.asc] http://linux-packages.resilio.com/resilio-sync/deb resilio-sync non-free" >/etc/apt/sources.list.d/resilio-sync.list
+$STD apt-get update
+$STD apt-get install -y resilio-sync
+sed -i 's/127.0.0.1:8888/0.0.0.0:8888/g' /etc/resilio-sync/config.json
+$STD systemctl enable resilio-sync
+$STD systemctl restart resilio-sync
+msg_ok "Installed Resilio Sync"
+
+motd_ssh
+customize
+
+msg_info "Cleaning up"
+$STD apt-get -y autoremove
+$STD apt-get -y autoclean
+msg_ok "Cleaned"