Release v1.3.6

[cKellyDesign]

Let's tag a Patch Release (v1.3.6)

Release Process

• [x] Update package.json version
• [x] Generate Release Notes
• [x] Merge
• [x] Tag Release from master
• [x] Publish Release
• [x] Down-merge master to staging

[cKellyDesign]

Release Notes

• Add Heatmap Layer support (#419) (requires: gisida-react@v1.3.3)
• Bug Fixes (#417, #422, #438)