meta: add readme, licence, and logo

README.md

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+[![License](https://img.shields.io/badge/License-BSD%203--Clause-blue.svg)](https://opensource.org/licenses/BSD-3-Clause)
+
+<br />
+<div align="center">
+  <a href="https://github.com/washh/mie.git">
+    <img src="./doc/assets/logo.png" alt="Logo" width="150">
+  </a>
+
+  <h3 align="center">Mie</h3>
+  <p>
+    The Metacompute Instruction Engine
+    <br />
+    <a href="doc"><strong>Explore the docs »</strong></a>
+    <br />
+    <br />
+    <a href="https://github.com/washh/mie/issues">Report Bug</a>
+    ·
+    <a href="https://github.com/washh/mie/issues">Request Feature</a>
+  </p>
+</div>
+
+
+
+<!-- TABLE OF CONTENTS -->
+## Table of Contents
+
+* [About the Project](#about-the-project)
+* [License](#license)
+
+<!-- ABOUT THE PROJECT -->
+## About The Project
+Mie is an extensible intermediate representation framework inspired by LLVM and MLIR. It is designed to accept high-level program representation from a compiler front-end, lower and optimise it into a flat stream of low-level instructions, and then convert it into a target-specific implementation.
+
+*(The name Mie is pronounced like "me", "bee", or "sea", and (despite the logo) is _not_ pronounced like "my", "bye", or "pie")*
+
+
+<!-- LICENSE -->
+## License
+
+Distributed under the BSD 3-Clause License. See `LICENSE` for more information.
+