Update README.md

Author: Smidgens

README.md

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 ![](/.github/banner.png?raw=true "")
-![](/.github/gallery.png?raw=true "")
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+![](/.github/preview.png?raw=true "")
 
 
 ## ℹ️ Features
 
-todo
+* Basic portal rendering for Unity.
+* Minimal setup required.
+* Configurable portal shape.
+* Basic teleportation support for objects (player controller etc.).
+* 🤞 Reasonably lightweight.
+
+**⌛ Planned**
+
+* [ ] Basic Valve-esque physics (portal velocity, object funneling etc.).
+* [ ] More extensibility and options.
+
+**🐞 Known Issues / Limitations**
+
+* Screen space shadows rendered through portals may flicker at short distances.
 
 
+**Note**
+
+This plugin does not contain any demo assets. Effects such as outlines around portals must be added manually and configured in each case.
+
 <br/>
 
 ## 📦 Install
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 <br/>
 
-## 🚀 Use
+# 🚀 Use
 
-todo
+*Documentation page coming soon*
 
 <br/>
 
+
+
 ## 📜 Credits
 
-todo
+* Camera logic largely adapts methods described [here](https://www.youtube.com/watch?v=cWpFZbjtSQg) by Sebastian Lague.