added a README

README.md

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+# λ Lambda
+A next-generation hackable incredibly performant rust text editor for nerds.
+> ⚠️ Lambda is in *very* early stages at the moment. Lambda's goals are still being decided and features may completely change.
+
+## Overview
+Lambda is a similar text editor to `vim` or `kakoune`, taking some ideas from `xi`.
+The main goal is to build the best text editor possible by taking ideas from existing text editors and implementing them in the best possible way.
+
+- Lambda is written in Rust, so it's incredibly fast and logical
+  - It's also full of comments, so anyone can try and learn what it's doing
+- Lambda is very modular, so features can be easily added
+- Lambda follows the unix philosophy of "do one thing and do it well"
+  - It has no bloated features like splits or tabs
+  - It contains the bare necessities and provides a few extra modules
+- Lambda has much better default keybindings than other text editors
+
+## Getting started
+You'll need `cargo` (ideally from `rustup`) and an up to date version of `rust`.
+```
+git clone https://github.com/SpyHoodle/lambda.git # Clone the repositiory
+cargo run # Build and run lambda!
+```