update deplpy docs

backend/radadmin_schema.sql

@@ -0,0 +1,33 @@
+-- Tables required by the radadmin API that are NOT part of the FreeRADIUS
+-- schema. FreeRADIUS never reads or writes these; they hold billing status and
+-- human-only metadata (name/phone/alias). Import this after the FreeRADIUS
+-- schema.sql.
+
+CREATE TABLE IF NOT EXISTS customers (
+  id          INT UNSIGNED NOT NULL AUTO_INCREMENT,
+  username    VARCHAR(64) NOT NULL,
+  mac_address VARCHAR(17) NOT NULL,
+  status      VARCHAR(10) NOT NULL DEFAULT 'new',
+  created_at  DATETIME NULL DEFAULT CURRENT_TIMESTAMP,
+  PRIMARY KEY (id)
+);
+
+CREATE TABLE IF NOT EXISTS radadmin_clients (
+  id          INT UNSIGNED NOT NULL AUTO_INCREMENT,
+  mac_address VARCHAR(17) NOT NULL,
+  name        VARCHAR(128) NULL,
+  phone       VARCHAR(32) NULL,
+  alias       VARCHAR(64) NULL,
+  created_at  DATETIME NULL DEFAULT CURRENT_TIMESTAMP,
+  PRIMARY KEY (id),
+  UNIQUE KEY uq_radadmin_clients_mac (mac_address)
+);
+
+CREATE TABLE IF NOT EXISTS radadmin_devices (
+  id          INT UNSIGNED NOT NULL AUTO_INCREMENT,
+  mac_address VARCHAR(17) NOT NULL,
+  alias       VARCHAR(64) NULL,
+  created_at  DATETIME NULL DEFAULT CURRENT_TIMESTAMP,
+  PRIMARY KEY (id),
+  UNIQUE KEY uq_radadmin_devices_mac (mac_address)
+);