Move @parity/resolc from js-revive (#296)

- Move npm package from paritytech/js-revive 
- Rename package to `@parity/resolc`

js/emscripten/playwright.config.js

@@ -0,0 +1,46 @@
+const { defineConfig, devices } = require("@playwright/test");
+
+/**
+ * @see https://playwright.dev/docs/test-configuration
+ */
+module.exports = defineConfig({
+  testDir: "./e2e",
+  /* Run tests in files in parallel */
+  fullyParallel: true,
+  /* Fail the build on CI if you accidentally left test.only in the source code. */
+  forbidOnly: !!process.env.CI,
+  /* Retry on CI only */
+  retries: process.env.CI ? 2 : 0,
+  /* Opt out of parallel tests on CI. */
+  workers: process.env.CI ? 1 : undefined,
+  /* Reporter to use. See https://playwright.dev/docs/test-reporters */
+  reporter: "list",
+  /* Shared settings for all the projects below. See https://playwright.dev/docs/api/class-testoptions. */
+  use: {
+    /* Base URL to use in actions like `await page.goto('/')`. */
+    baseURL: "http://127.0.0.1:8080",
+
+    /* Collect trace when retrying the failed test. See https://playwright.dev/docs/trace-viewer */
+    trace: "on-first-retry",
+  },
+  timeout: 480000,
+  /* Configure projects for major browsers */
+  projects: [
+    {
+      name: "chromium",
+      use: { ...devices["Desktop Chrome"] },
+    },
+
+    {
+      name: "firefox",
+      use: { ...devices["Desktop Firefox"] },
+    },
+  ],
+
+  /* Run your local dev server before starting the tests */
+  webServer: {
+    command: "npm run example:web",
+    url: "http://127.0.0.1:8080",
+    reuseExistingServer: !process.env.CI,
+  },
+});