Release v0.1.21

Changes in this Release:

• 0.1.21 2f3dc7d

• only run bump version on pull_request to main (#182) 9257fd4

• Issue 162 - Publish to NPM Workflow (#172) 2d71ad0

• 0.1.20 9682a7c

• Merge branch 'main' into release d102fd1

• Issue 157 handle unique constraint (#180) b0ee5f7

0.1.19

• Initial windows support
• Bug fixes to file pathing