feat: Added chapter 5

sql/schema/001_users.sql

@@ -0,0 +1,10 @@
+-- +goose Up
+CREATE TABLE users (
+    id UUID PRIMARY KEY,
+    created_at TIMESTAMP NOT NULL,
+    updated_at TIMESTAMP NOT NULL,
+    email TEXT NOT NULL UNIQUE
+);
+
+-- +goose Down
+DROP TABLE users;

sql/schema/002_chirps.sql

@@ -0,0 +1,11 @@
+-- +goose Up
+CREATE TABLE chirps (
+    id UUID PRIMARY KEY,
+    created_at TIMESTAMP NOT NULL,
+    updated_at TIMESTAMP NOT NULL,
+    body TEXT NOT NULL,
+    user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE
+);
+
+-- +goose Down
+DROP TABLE chirps;