docs: add JSDoc headers to all externally exported store functions

src/store/entityaddress/create.js

@@ -24,6 +24,17 @@ function optionalString(value) {
   return s || null;
 }
 
+/**
+ * Creates a new address for an entity.
+ *
+ * @param {object} pool - The mssql connection pool.
+ * @returns {Function} An async function that creates an entity address.
+ *
+ * @example
+ * const fn = create(pool);
+ * const address = await fn(42, 1, 5, { addressType: 'billing', street: 'Main St', city: 'Berlin' });
+ * // => { id, entityId, firstName, name, street, streetNumber, zip, city, county, addressType, sort }
+ */
 export default function create(pool) {
   const access = resolveCompanyAccess(pool);
   const entityAccess = resolveEntityAccess(pool);