docs: standardize README

README.md

@@ -1,19 +1,23 @@
-# PostGuard example
+# <p align="center"><img src="./img/pg_logo.svg" height="128px" alt="PostGuard" /></p>
 
-For a specific example on how to encrypt a string see
-[examples/string.js](./examples/string.js). For an example of how to encrypt
-files, see [examples/file.js](./examples/file.js).
+> For full documentation, visit [docs.postguard.eu](https://docs.postguard.eu).
 
-## Running the examples
+Standalone example application for PostGuard file and string encryption using WASM bindings directly. This is a lower-level example that talks to the WASM layer without going through the `@e4a/pg-js` SDK, which makes it useful for understanding how the cryptographic bindings work under the hood.
 
-Install the dependencies using:
+## Development
 
-```
-yarn
+Requires Node.js and Yarn. Uses Webpack for bundling.
+
+```bash
+yarn install
+yarn dev      # start dev server
+yarn build    # production build
 ```
 
-Then, run a development setup using:
+## Releasing
 
-```
-yarn dev
-```
+No releases. This is example code.
+
+## License
+
+MIT