Small bug fix

Bug fix on multi-layer within swimlane.

Expand nodes which communicate each other within a Swimlane

• expand nodes into different layers if they talk to each other within a swimlane
• auto calculate swimlane width/height base on the depth of swimlane

Minor Fix for local dev server

• Minor Fix for local dev server

V0.0.5 Fix source map no file issue

Fix source map no file issue
Updated Readme.md with "How to use sample"

V0.0.2 - auto layout swimlane chart and supports LR, TB layout

Auto layout Swimlane flowchart.
Support Left to Right, Top to Bottom direction.

To be improve:

• configurable node height, width
• node styles