Resolve "add plotProfile"

Closes #29 (closed) and #61 (closed)

Please fill in the appropriate checklist below (delete whatever is not relevant). These are the most common things requested on pull requests (PRs).

PR checklist

• This comment contains a description of changes (with reason)
• If you've fixed a bug or added code that should be tested, add tests!
• Documentation in docs is updated
• CHANGELOG.md is updated
• README.md is updated

docs/index.md

@@ -90,6 +90,8 @@ diffPeaks | normcount_peaksets.txt | Use only for replicated samples; peak set v
 diffPeaks | pca.pdf | Use only for replicated samples; PCA of peak location and peak intensity
 diffPeaks | *_diffbind.bed | Use only for replicated samples; bed file of peak locations between replicates
 diffPeaks | *_diffbind.csv | Use only for replicated samples; CSV file of peaks between replicates
+plotProfile | plotProfile.png | Plot profile of the TSS region
+plotProfile | computeMatrix.gz | Compute Matrix from deeptools to create custom plots other than plotProfile
 
 ## Common Quality Control Metrics
   + These are the list of files that should be reviewed before continuing on with the CHIPseq experiment. If your experiment fails any of these metrics, you should pause and re-evaluate whether the data should remain in the study.