feat: add some documentation

README.md

@@ -1,3 +1,50 @@
 Nodarium
 
-Info  tbd.
+<div align="center">
+
+  <a href="https://nodes.max-richter.dev/"><h2 align="center">Nodarium</h2></a>
+
+  <p align="center">
+    Nodarium is a WebAssembly based visual programming language. 
+  </p>
+
+  <img src=".github/graphics/nodes.svg" width="50%"/>
+
+</div>
+
+# Table of contents
+
+- [Architecture](./ARCHITECTURE.md)
+- [Developing](#developing)
+- [Roadmap](#roadmap)
+
+# Developing
+
+### Install prerequisites:
+
+- [Node.js](https://nodejs.org/en/download)
+- [pnpm](https://pnpm.io/installation)
+- [rust](https://www.rust-lang.org/tools/install)
+
+### Install dependencies
+
+```bash
+pnpm i
+```
+
+### Build the Nodes
+
+```bash
+pnpm build:nodes
+```
+
+### Start the dev server
+
+```bash
+cd app
+pnpm dev
+```
+
+### [Now you can create your first node 🤓](./DEVELOPING_NODES.md)
+
+# Roadmap