Address review feedback

  * Apply README template to @theia/playwright readme
  * Remove target from tslint config to fall back to Theia's default
  * Minor improvements in developer documentation

examples/playwright/README.md

@@ -1,4 +1,16 @@
-# Theia 🎭 Playwright: A System Testing Framework for Theia
+<div align='center'>
+
+<br />
+
+<img src='https://raw.githubusercontent.com/eclipse-theia/theia/master/logo/theia.svg?sanitize=true' alt='theia-ext-logo' width='100px' />
+
+<h2>ECLIPSE THEIA - PLAYWRIGHT</h2>
+
+<hr />
+
+</div>
+
+## Description
 
 Theia 🎭 Playwright is a [page object](https://martinfowler.com/bliki/PageObject.html) framework based on [Playwright](https://github.com/microsoft/playwright) for developing system tests of [Theia](https://github.com/eclipse-theia/theia)-based applications. See it in action below.
 
@@ -19,10 +31,23 @@ It is [extensible](./docs/EXTENSIBILITY.md) so you can add dedicated page object
 
 ## Documentation
 
--   [Getting Started](./docs/GETTING_STARTED.md)
--   [Extensibility](./docs/EXTENSIBILITY.md)
--   [Building and Developing Theia 🎭 Playwright](./docs/DEVELOPING.md)
+- [Getting Started](./docs/GETTING_STARTED.md)
+- [Extensibility](./docs/EXTENSIBILITY.md)
+- [Building and Developing Theia 🎭 Playwright](./docs/DEVELOPING.md)
+
+## Additional Information
+
+- [Theia - GitHub](https://github.com/eclipse-theia/theia)
+- [Theia - Website](https://theia-ide.org/)
+- [Playwright - GitHub](https://github.com/microsoft/playwright)
+- [Playwright - Website](https://playwright.dev)
+
+## License
+
+- [Eclipse Public License 2.0](http://www.eclipse.org/legal/epl-2.0/)
+- [一 (Secondary) GNU General Public License, version 2 with the GNU Classpath Exception](https://projects.eclipse.org/license/secondary-gpl-2.0-cp)
 
-## Get in touch
+## Trademark
 
-If you have problems, find bugs or have questions, feel free to get in contact via the bugs and discussions.
+"Theia" is a trademark of the Eclipse Foundation
+https://www.eclipse.org/theia

examples/playwright/docs/DEVELOPING.md

@@ -16,7 +16,7 @@ You may also use the `Launch Browser Backend` launch configuration in VS Code.
 
 ### Running the tests headless
 
-To start the tests run `yarn ui-tests` in the root of this repository. This will start the tests located in `tests` in a headless mode.
+To start the tests run `yarn ui-tests` in the root of this package. This will start the tests located in `tests` in a headless mode.
 
 To only run a single test file, the path of a test file can be set with `yarn ui-tests <path-to-file>` or `yarn ui-tests -g "<partial test file name>"`.
 See the [Playwright Test command line documentation](https://playwright.dev/docs/intro#command-line).

examples/playwright/tsconfig.json

@@ -2,7 +2,6 @@
   "extends": "../../configs/base.tsconfig",
   "compilerOptions": {
     "composite": true,
-    "target": "ES2018",
     "lib": [
       "dom",
       "dom.iterable",