Improve code readability

• modularise helpers & keep ReactPainter component lightweight
• document less clear code paths
• integrate prettier for code formatting
• fix image link for story with image (for testing only)
• fix typos in README

Fix touch

The library should be working for touch devices again after a bug fix to event coords extraction.

Bug fix

• fixed a bug causing an intermittent crash while drawing

Change ownership

Ownership of the library has changed.
Build and release process have been improved a bit.

Performance Improvement

Utilize createImageBitmap (if supported by browser) to improve performance.

Fix README not rendered correctly in npm

Fix README

Version 0.3.0

Use render prop object properties to set the line prop e.g. color, lineJoin, and lineCap.
Prop is currently set initialValues of the line prop only.

Travis autodeploy

Integrate with travis for autodeploy

Added new props for lines stroke

Added lineWidth, lineJoin, lineCap props.

Update docs

Update usage example based on suggestion of @joshwcomeau