feat: add Stream table & boilerplate

src/main/resources/db/schema.sql

@@ -9,8 +9,20 @@ CREATE TABLE IF NOT EXISTS users (
     name VARCHAR(100) NOT NULL,
     profile_picture_url VARCHAR(255),
     role INTEGER DEFAULT 0,
-    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
-    );
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    stream_key VARCHAR(64) NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS streams (
+    id BIGSERIAL PRIMARY KEY,
+    user_id BIGSERIAL,
+    start_time TIMESTAMPTZ DEFAULT NOW(),
+    end_time TIMESTAMPTZ DEFAULT NULL,
+    last_seen TIMESTAMPTZ DEFAULT NULL
+
+
+    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
+)
 
 CREATE TABLE IF NOT EXISTS clips (
     id BIGSERIAL PRIMARY KEY,