Missed the main docs readme

docs/README.md

@@ -1,3 +1,17 @@
 # NGI-MethylSeq Results
 
-This document is not yet written sorry, come back soon!
+The NGI-MethylSeq documentation is split into a few different files:
+
+* [`installation.md`](installation.md)
+  * Pipeline installation and configuration instructions
+* [`usage.md`](usage.md)
+  * Instructions on how to run the NGI-MethylSeq pipeline
+* [`output.md`](output.md)
+  * Document describing all of the results produced by the pipeline, and how to interpret them.
+
+---
+
+[![SciLifeLab](images/SciLifeLab_logo.png)](http://www.scilifelab.se/)
+[![National Genomics Infrastructure](images/NGI_logo.png)](https://ngisweden.scilifelab.se/)
+
+---