add workshop 3 google colab

add IsoTools tutorial for SG-NEx data analysis

remove the empty code chunk at the end of the tutorial

update readme branch

add spike-in information

add the tutorial for IsoTools

Added a tutorial for NanoCount

update update_readme branch

- add a google colab button to IsoTools 
- add a link to NanoCount tutorial 
- modified acknowledge names by adding Andre and moved around a few other names

Update readme

Create CODE_OF_CONDUCT.md

keep updated with master branch

add a description for changes made for this update

pr for the new update release

update some small details

update readme branch

update release note

update release to include the RNA004 sample

update readme GoekeLab/update_readme

update zenodo link and release note for V0.5.1

add links to other files for the new RNA004 sample