Add README

README.md

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+# Wearable Haptics and Augmented Reality
+
+## Usage
+
+Clone this repository with its submodules:
+
+```
+git clone --recurse-submodules
+```
+
+If you have already cloned the repository, you can update the submodules with:
+
+```
+git submodule --init --update
+```
+
+Compile `main.tex` using either `pdflatex` with `biblatex` or `lualatex` (recommended).