offline - Added a few sample offline documentation samples

scripts/install-offline-lib.json

@@ -0,0 +1,22 @@
+[
+  {
+    "url": "https://www.arrl.org/files/file/Regulatory/Band%20Chart/Hambands4_Color_11x8_5.pdf",
+    "file": "Hambands4_Color_11x8_5.pdf",
+    "dir": "bands/ham-radio"
+  },
+  {
+    "url": "https://amrron.com/wp-content/uploads/2019/03/AmRRON-Intelligence-Brief-White-Paper.pdf",
+    "file": "AmRRON-Intelligence-Brief-White-Paper.pdf",
+    "dir": "nets/amrron"
+  },
+  {
+    "url": "https://raw.githubusercontent.com/s2underground/GhostNet/1a2d08d579813e54967af06f1a871e7fa0ce583f/GhostNet_Version_1.5.pdf",
+    "file": "GhostNet_Version_1.5.pdf",
+    "dir": "nets/ghostnet"
+  },
+  {
+    "url": "https://www.swpc.noaa.gov/sites/default/files/images/NOAAscales.pdf",
+    "file": "NOAAscales.pdf",
+    "dir": "space-weather"
+  }
+]

scripts/install-offline-lib.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+# Author  : Gaston Gonzalez
+# Date    : 14 March 2026
+# Purpose : Installs a variety of offline resources
+
+. ./env.sh
+. ../overlay/opt/emcomm-tools/bin/et-common
+
+et-log "Installing offline docs..."
+
+OFFLINE_FILES_JSON="install-offline-lib.json"
+OFFLINE_SAVE_DIR="/etc/skel/Desktop/offline"
+
+[[ ! -e "${OFFLINE_SAVE_DIR}" ]] && mkdir -v -p ${OFFLINE_SAVE_DIR}
+
+jq -c '.[]' "${OFFLINE_FILES_JSON}" | while read -r item; do
+  URL=$(echo "$item" | jq -r '.url')
+  FILE=$(echo "$item" | jq -r '.file')
+  DIR=$(echo "$item" | jq -r '.dir')
+  ABS_DIR="${OFFLINE_SAVE_DIR}/${DIR}"
+
+  # 1. Create missing directories
+  mkdir -v -p "${ABS_DIR}"
+
+  # 2. Download resources
+  download_with_retries ${URL} ${FILE}
+
+  # 3. Move to offline folder
+  mv "${FILE}" "${ABS_DIR}/"
+done
+

scripts/install.sh

@@ -2,7 +2,7 @@
 #
 # Author  : Gaston Gonzalez
 # Date    : 16 March 2024
-# Updated : 6 March 2026
+# Updated : 14 March 2026
 # Purpose : Main installer for EmComm Tools Community (ETC)
 
 . ./env.sh
@@ -102,3 +102,6 @@ exitIfNotRoot
 
 # Install security tools
 ./install-gpa.sh
+
+# Install offline resources
+./install-offline-lib.sh