docs: use more realistic examples from k6x

examples/combined.js

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+"use k6 >= 0.50";
+"use k6 with k6/x/faker >= 0.3.0";
+"use k6 with k6/x/sql >= 0.4.0";
+
+import faker from "./faker.js";
+import sqlite from "./sqlite.js";
+
+export { setup, teardown } from "./sqlite.js";
+
+export default () => {
+  faker();
+  sqlite();
+};

examples/faker.js

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+// source: https://github.com/szkiba/xk6-faker/blob/v0.3.0/examples/custom-faker.js
+import { Faker } from "k6/x/faker";
+
+const faker = new Faker(11);
+
+export default function () {
+  console.log(faker.person.firstName());
+}
+
+// output: Josiah

examples/sqlite.js

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+// source: https://github.com/grafana/xk6-sql/blob/v0.4.0/examples/sqlite3_test.js
+import sql from "k6/x/sql";
+
+const db = sql.open("sqlite3", "./test.db");
+
+export function setup() {
+  db.exec(`CREATE TABLE IF NOT EXISTS keyvalues (
+           id integer PRIMARY KEY AUTOINCREMENT,
+           key varchar NOT NULL,
+           value varchar);`);
+}
+
+export function teardown() {
+  db.close();
+}
+
+export default function () {
+  db.exec("INSERT INTO keyvalues (key, value) VALUES('plugin-name', 'k6-plugin-sql');");
+
+  let results = sql.query(db, "SELECT * FROM keyvalues WHERE key = $1;", "plugin-name");
+  for (const row of results) {
+    console.log(`key: ${row.key}, value: ${row.value}`);
+  }
+}

script.js

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+import { Faker } from "k6/x/faker";
+import sql from "k6/x/sql";
+
+const db = sql.open("sqlite3", "./test-users.db");
+
+export function setup() {
+  db.exec(`
+  CREATE TABLE IF NOT EXISTS users (
+    sub varchar PRIMARY KEY,
+    name varchar NOT NULL,
+    email varchar NOT NULL
+  );`);
+
+  const faker = new Faker(11);
+
+  db.exec(`
+    INSERT OR REPLACE INTO users (sub, name, email) VALUES (
+      '${faker.internet.username()}',
+      '${faker.person.firstName()} ${faker.person.lastName()}',
+      '${faker.person.email()}'
+    );`);
+}
+
+export function teardown() {
+  db.close();
+}
+
+export default function () {
+  const results = sql.query(db, "SELECT * FROM users");
+
+  for (const row of results) {
+    const { sub, name, email } = row;
+
+    console.log({ sub, name, email });
+  }
+}