Add grav (ct) (#15773)

Co-authored-by: push-app-to-main[bot] <203845782+push-app-to-main[bot]@users.noreply.github.com>

ct/grav.sh

@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+source <(curl -s https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: Raffaele (rafspiny)
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://getgrav.org/
+
+APP="Grav"
+var_tags="${var_tags:-cms}"
+var_cpu="${var_cpu:-1}"
+var_ram="${var_ram:-2048}"
+var_disk="${var_disk:-8}"
+var_os="${var_os:-debian}"
+var_version="${var_version:-13}"
+var_arm64="${var_arm64:-no}"
+var_unprivileged="${var_unprivileged:-1}"
+
+
+header_info "$APP"
+variables
+color
+catch_errors
+
+function update_script() {
+    header_info
+    check_container_storage
+    check_container_resources
+
+    if [[ ! -d "/opt/grav" ]]; then
+        msg_error "No ${APP} Installation Found!"
+        exit
+    fi
+
+    if check_for_gh_release "grav" "getgrav/grav"; then
+        msg_info "Creating Backup"
+        cd /opt/grav
+        bin/grav backup -nq
+        msg_ok "Backup Created"
+        bin/gpm self-upgrade -y
+        cd -
+        chown -R www-data:www-data /opt/grav
+        msg_ok "Update Successful"
+    fi
+    exit
+}
+
+start
+build_container
+description
+
+msg_ok "Completed successfully!\n"
+echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"
+echo -e "${INFO}${YW}Access it using the following URL:${CL}"
+echo -e "${GATEWAY}${BGN}http://${IP}:80${CL}"

ct/headers/grav

@@ -0,0 +1,6 @@
+   ______                
+  / ____/________ __   __
+ / / __/ ___/ __ `/ | / /
+/ /_/ / /  / /_/ /| |/ / 
+\____/_/   \__,_/ |___/  
+