Added chat microservice, removed air

chat-service/repository/scylla/seed.go

@@ -0,0 +1,30 @@
+package scylla
+
+import "github.com/scylladb/gocqlx/v2"
+
+func Seed(session gocqlx.Session) error {
+	err := session.ExecStmt(`
+		CREATE KEYSPACE IF NOT EXISTS chat_service 
+		WITH replication = {'class': 'SimpleStrategy', 'replication_factor': 1}`)
+	if err != nil {
+		return err
+	}
+
+	err = session.ExecStmt(`
+		CREATE TABLE IF NOT EXISTS chat_service.messages (
+			message_id bigint,
+			from_user_id bigint,
+			from_user text,
+			to_user_id bigint,
+			to_user text,
+			content text,
+			created_at timestamp,
+			PRIMARY KEY (to_user_id, message_id)
+		)`)
+
+	if err != nil {
+		return err
+	}
+
+	return nil
+}