Updates plugin date for release

Corrects the URL for the imported mermaid packages

Fixes: #4

Update to support Mermaid version 10.2 remotely and locally

Update to support Mermaid version 10.1 remotely and 9.4.3 locally

Update to support Mermaid version 10.0

- Added option for version 9.4 and 10.0
- Switch from CJS to ESM from version 10.0 onwards

Adds config setting to choose served mermaid file

Adds example picture

Initial upload

Initial upload

Initial commit