Update badges and usage instructions

README.md

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 # wasmer-d
-D bindings to wasmer, a standalone WebAssembly runtime for running WebAssembly outside of the browser
+
+[![DUB Package](https://img.shields.io/dub/v/wasmer.svg)](https://code.dlang.org/packages/wasmer)
+[![wasmer-d CI](https://github.com/chances/wasmer-d/workflows/wasmer-d%20CI/badge.svg)](https://github.com/chances/wasmer-d/actions)
+[![codecov](https://codecov.io/gh/chances/wasmer-d/branch/master/graph/badge.svg?token=U6BqigvJI6)](https://codecov.io/gh/chances/xs-d)
+
+D bindings to [wasmer](https://wasmer.io/), a standalone WebAssembly runtime for running WebAssembly outside of the browser.
+
+Also includes an idiomatic D wrapper of the [Wasmer Runtime C API](https://github.com/wasmerio/wasmer/tree/master/lib/c-api#readme).
+
+## Usage
+
+```json
+"dependencies": {
+    "wasmer": "0.1.0-alpha.1"
+}
+```
+
+## License
+
+[MIT Licence](https://opensource.org/licenses/MIT)
+
+Copyright © 2020 Chance Snow. All rights reserved.