add metadata files

Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>

lib/numbers.sh

@@ -1,10 +1,15 @@
 #!/bin/bash
 
-function generate_random_number {
+function generate_random_id {
     local digits="$1"
     tr -dc '0-9' </dev/urandom | head -c "$digits"
 }
 
+function generate_random_number {
+    local number=$(shuf -i 10000-20000 -n 1)
+    echo "${number}"
+}
+
 function find_mac {
     id="${1}"
     ip="${2}"