migrate db for events

migrations/20230405224136_events.sql

@@ -0,0 +1,21 @@
+CREATE TYPE event_type AS ENUM ('sports', 'meetings', 'drama', 'music', 'other');
+
+CREATE TABLE events (
+    id SERIAL PRIMARY KEY,
+    title VARCHAR(255),
+    time_start TIMESTAMP,
+    time_end TIMESTAMP,
+    event_type event_type,
+    points INTEGER,
+    place VARCHAR(255),
+    price DECIMAL(10, 2),
+    created_by INTEGER REFERENCES users(id)
+);
+
+CREATE TABLE event_attendees (
+    event_id INTEGER REFERENCES events(id),
+    user_id INTEGER REFERENCES users(id),
+    PRIMARY KEY (event_id, user_id)
+);
+
+CREATE INDEX idx_event_attendees ON event_attendees(event_id);