update docs

- add newly added api functions
- add a new version of the escher styling figure with larger fonts

bump version to 0.5.11

Merge pull request #59 from sys-bio/fix-issues-add-new-features

fix-issues-add-new-features

chore: bump version to 0.5.5

fix minor bugs in libsbmlnetworkjs workflow

version is updated to 0.4.0