ligo-skymap.md

 This is a check to make sure that the skymap produced by PESummary is the same as the one produced by `ligo-skymap-from-samples` and to ensure that it has all of the same metadata. The following set of samples were used:
 
+The following command lines were used:
+
+```bash
+$ ligo-skymap-from-samples --outdir skymap --enable-multiresolution PROD0_posterior_samples.hdf5 --jobs 10
+$ summarypages --webdir ./webpage --samples PROD0_posterior_samples.hdf5 --gw --multi_process 20
+```
+
+Below is the skymap produced by `PESummary`:
+
+![Screen_Shot_2020-03-06_at_09.05.52](uploads/358cb145e143fca1e02c7c4e6385c9ac/Screen_Shot_2020-03-06_at_09.05.52.png)
+
+Below is the skymap produced by `ligo.skymap`
+
+![Screen_Shot_2020-03-06_at_09.05.25](uploads/f1aea74ee7e76bde755aa6762912c82e/Screen_Shot_2020-03-06_at_09.05.25.png)
+
 # Review comments
 
 # Related MRs