refactors data access layer to use pop ORM for eager loading, adds book titles rented to renters in response body

init/bookish-ddl.sql

@@ -1,21 +0,0 @@
-create table renters
-(
-	id int auto_increment primary key,
-	name varchar(255) not null,
-	address varchar(255) not null,
-	email varchar(255) not null,
-	phone_number varchar(255) not null
-);
-
-create unique index renters_id_uindex
-	on renters (id);
-
-create table rentals
-(
-    id int auto_increment primary key,
-    renter_id int not null,
-    rental_date datetime not null,
-    return_date datetime null,
-    book_title varchar(255) not null,
-    foreign key (renter_id) references renters(id)
-);

init/schema.sql

@@ -0,0 +1,22 @@
+create table if not exists renters
+(
+    id varchar(255) not null primary key,
+    created_at datetime not null,
+    updated_at datetime not null,
+    name varchar(255) not null,
+    address varchar(255) not null,
+    email varchar(255) not null,
+    phone_number varchar(255) not null
+);
+
+create table if not exists rentals
+(
+    id varchar(255) not null primary key,
+    created_at datetime not null,
+    updated_at datetime not null,
+    book_title varchar(255) not null,
+    renter_id varchar(255) not null,
+    rental_date datetime not null,
+    return_date datetime null,
+    foreign key (renter_id) references renters(id)
+);