feat: Pipeline created on post request to /workflow

api/sql/dump.sql

@@ -3,4 +3,11 @@ CREATE TABLE IF NOT EXISTS users (
 	username VARCHAR(255) UNIQUE NOT NULL,
 	password VARCHAR(255) NOT NULL,
 	slug VARCHAR(255) UNIQUE NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS pipelines (
+	id SERIAL PRIMARY KEY,
+	name VARCHAR(255) NOT NULL,
+	type VARCHAR(255) NOT NULL,
+	params JSONB NOT NULL
 );