feat: add ttyd plugin (#851)

Author: ivanvc

Diff for: README.md

@@ -666,6 +666,7 @@ The `asdf` core provides a [security policy](https://github.com/asdf-vm/asdf/sec
 | tridentctl                    | [asdf-community/asdf-tridentctl](https://github.com/asdf-community/asdf-tridentctl)                             | [![CI](https://github.com/asdf-community/asdf-tridentctl/workflows/CI/badge.svg)](https://github.com/asdf-community/asdf-tridentctl/actions)                                                                                      |
 | Trivy                         | [zufardhiyaulhaq/asdf-trivy](https://github.com/zufardhiyaulhaq/asdf-trivy)                                     | [![Build](https://github.com/zufardhiyaulhaq/asdf-trivy/actions/workflows/build.yml/badge.svg)](https://github.com/zufardhiyaulhaq/asdf-trivy/actions/workflows/build.yml)                                                        |
 | tsuru                         | [virtualstaticvoid/asdf-tsuru](https://github.com/virtualstaticvoid/asdf-tsuru)                                 | [![Build Status](https://github.com/virtualstaticvoid/asdf-tsuru/actions/workflows/workflow.yml/badge.svg?branch=main)](https://github.com/virtualstaticvoid/asdf-tsuru/actions/workflows/workflow.yml)                           |
+| tttyd                         | [ivanvc/asdf-ttyd](https://github.com/ivanvc/asdf-ttyd)                                                         | [![Build Status](https://github.com/ivanvc/asdf-ttyd/workflows/Build/badge.svg)](https://github.com/ivanvc/asdf-ttyd/actions?query=workflow%3ABuild)                                                                              |
 | tuist                         | [cprecioso/asdf-tuist](https://github.com/cprecioso/asdf-tuist)                                                 | [![Build Status](https://github.com/cprecioso/asdf-tuist/actions/workflows/build.yml/badge.svg?branch=main)](https://github.com/cprecioso/asdf-tuist/actions/workflows/build.yml)                                                 |
 | tx                            | [orcid/asdf-transifex](https://github.com/ORCID/asdf-transifex)                                                 | [![Build Status](https://github.com/ORCID/asdf-transifex/actions/workflows/build.yml/badge.svg?branch=main)](https://github.com/ORCID/asdf-transifex/actions/workflows/build.yml)                                                 |
 | uaa-cli                       | [vmware-tanzu/tanzu-plug-in-for-asdf](https://github.com/vmware-tanzu/tanzu-plug-in-for-asdf)                   | [![Build Status](https://github.com/vmware-tanzu/tanzu-plug-in-for-asdf/actions/workflows/test-uaa-cli.yml/badge.svg?branch=main)](https://github.com/vmware-tanzu/tanzu-plug-in-for-asdf/actions/workflows/test-uaa-cli.yml)     |

Diff for: plugins/ttyd

@@ -0,0 +1 @@
+repository = https://github.com/ivanvc/asdf-ttyd.git