Add README and LICENSE

LICENSE

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+MIT License
+
+Copyright (c) 2020 David Stotijn
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+
+> Hetty is an HTTP toolkit for security research. It aims to become an open source
+> alternative to commercial software like Burp Suite Pro, with powerful features
+> tailored to the needs of the infosec and bug bounty community.
+
+<img src="https://i.imgur.com/ZZ6o83X.png">
+
+## Features/to do
+
+- [x] HTTP man-in-the-middle (MITM) proxy and GraphQL server.
+- [x] Web interface (Next.js) with proxy log viewer.
+- [] Add scope support to the proxy.
+- [] Full text search (with regex) in proxy log viewer.
+- [] Project management.
+- [] Sender module for sending manual HTTP requests, either from scratch or based
+  off requests from the proxy log.
+- [] Attacker module for automated sending of HTTP requests. Leverage the concurrency
+  features of Go and its `net/http` package to make it blazingly fast.
+
+## Installation
+
+Hetty is packaged on GitHub as a single binary, with the web interface resources
+embedded.
+
+👉 You can find downloads for Linux, macOS and Windows on the [releases page](https://github.com/dstotijn/hetty/releases).
+
+### Alternatives:
+
+**Build from source**
+
+```
+$ go get github.com/dstotijn/hetty
+```
+
+Then export the Next.js frontend app:
+
+```
+$ cd admin
+$ yarn install
+$ yarn export
+```
+
+This will ensure a folder `./admin/dist` exists.
+Then, you can bundle the frontend app using `rice`.
+The easiest way to do this is via a supplied `Makefile` command in the root of
+the project:
+
+```
+make build
+```
+
+**Docker**
+
+Alternatively, you can run Hetty via Docker. See: [`dstotijn/hetty`](https://hub.docker.com/r/dstotijn/hetty)
+on Docker Hub.
+
+```
+$ docker run \
+-v $HOME/.ssh/hetty_key.pem:/.ssh/hetty_key.pem \
+-v $HOME/.ssh/hetty_cert.pem:/.ssh/hetty_cert.pem \
+-v $HOME/.hetty/hetty.db:/app/hetty.db \
+-p 127.0.0.1:8080:80 \
+dstotijn/hetty -key /.ssh/hetty_key.pem -cert /.ssh/hetty_cert.pem -db hetty.db
+```
+
+## Usage
+
+Hetty is packaged as a single binary, with the web interface resources embedded.
+When the program is run, it listens by default on `:8080` and is accessible via
+http://localhost:8080. Depending on incoming HTTP requests, it either acts as a
+MITM proxy, or it serves the GraphQL API and web interface (Next.js).
+
+```
+$ hetty -h
+Usage of hetty:
+  -addr string
+    	TCP address to listen on, in the form "host:port" (default ":80")
+  -adminPath string
+    	File path to admin build
+  -cert string
+    	CA certificate file path
+  -db string
+    	Database file path (default "hetty.db")
+  -key string
+    	CA private key file path
+```
+
+**Note:** There is no built-in in support yet for generating a CA certificate.
+This will be added really soon in an upcoming release. In the meantime, please
+use `openssl` (_TODO: add instructions_).
+
+## Vision and roadmap
+
+The project has just gotten underway, and as such I haven’t had time yet to do a
+write-up on its mission and roadmap. A short summary/braindump:
+
+- Fast core/engine, built with Go, with a minimal memory footprint.
+- GraphQL server to interact with the backend.
+- Easy to use web interface, built with Next.js and Material UI.
+- Extensibility is top of mind. All modules are written as Go packages, to
+  be used by the main `hetty` program, but also usable as libraries for other software.
+  Aside from the GraphQL server, it should (eventually) be possible to also use
+  it as a CLI tool.
+- Pluggable architecture for the MITM proxy and future modules, making it
+  possible for hook into the core engine.
+- I’ve chosen [Cayley](https://cayley.io/) as the graph database (backed by
+  BoltDB storage on disk) for now (not sure if it will work in the long run).
+  The benefit is that Cayley (also written in Go)
+  is embedded as a library. Because of this, the complete application is self contained
+  in a single running binary.
+- Talk to the community, and focus on the features that the majority.
+  Less features means less code to maintain.
+
+## Status
+
+The project is currently under active development. Please star/follow and check
+back soon. 🤗
+
+## Acknowledgements
+
+Thanks to the [Hacker101 community on Discord](https://discordapp.com/channels/514337135491416065)
+for all the encouragement to actually start building this thing!
+
+## License
+
+[MIT](LICENSE)
+
+---
+
+© 2020 David Stotijn — [Twitter](https://twitter.com/dstotijn), [Email](mailto:[email protected])