Add README

README.md

+# NoiSee
+
+NoiSee is an easy-to-use ImageJ macro for measuring and evaluating SNR
+(signal-to-noise ratio) of light microscopes.
+
+## Documentation
+
+For detailed documentation, please see the [NoiSee page on the ImageJ
+wiki][ijnet_noisee].
+
+## Installation
+
+NoiSee is available through its corresponding ImageJ update site. Please see
+the [documentation][ijnet_noisee] for details.
+
+## Citation
+
+The corresponding publication will be added as soon as it is available through
+biorxiv.org.
+
+[ijnet_noisee]: https://imagej.net/NoiSee
\ No newline at end of file