Update the CONTRIBUTING.md file changing the reference "Pulsar and Packages" to the correspondent section.
Release Notes
In the old version of this file, the "Pulsar and Packages" reference was misconfigured and pointed to nowhere because the person who updated this file has changed the reference name from Atom to Pulsar but the reference still pointing to the section with the old name.
Description of the Change
Update the CONTRIBUTING.md file changing the reference "Pulsar and Packages" to the correspondent section.
Release Notes