feat: Add mermaidjs integration (#3679)

* feat: Add mermaidjs integration (#3523)

* Add mermaidjs to dependencies and CodeFenceNode

* Fix diagram id for mermaidjs diagrams

* Fix typescript compiler errors on mermaid integration

* Fix id generation for mermaid diagrams

* Refactor mermaidjs integration into prosemirror plugin

* Remove unnecessary class attribute in mermaidjs integration

* Change mermaidjs label to singular

* Change decorator.inline to decorator.node for mermaid diagram id

* Fix diagram toggle state

* Add border and background to mermaid diagrams

* Stop mermaidjs from overwriting fontFamily inside diagrams

* Add stable diagramId to mermaid diagrams

* Separate text for hide/show diagram
Use uuid as diagramId, avoid storing in state
Fix cursor on diagrams

* fix: Base diagram visibility off presence of source

* fix: More cases where our font-family is ignored

* Disable HTML labels

* fix: Button styling – not technically required but now we have a third button this felt all the more needed

closes #3116

* named chunks

* Upgrade mermaid 9.1.3

Co-authored-by: Jan Niklas Richter <5812215+ArcticXWolf@users.noreply.github.com>

shared/i18n/locales/en_US/translation.json

@@ -199,6 +199,7 @@
   "Code block": "Code block",
   "Copied to clipboard": "Copied to clipboard",
   "Code": "Code",
+  "Copy": "Copy",
   "Create link": "Create link",
   "Sorry, an error occurred creating the link": "Sorry, an error occurred creating the link",
   "Create a new doc": "Create a new doc",
@@ -246,6 +247,8 @@
   "Table": "Table",
   "Tip": "Tip",
   "Tip notice": "Tip notice",
+  "Show diagram": "Show diagram",
+  "Show source": "Show source",
   "Warning": "Warning",
   "Warning notice": "Warning notice",
   "Current date": "Current date",
@@ -577,7 +580,6 @@
   "API token copied to clipboard": "API token copied to clipboard",
   "Revoke token": "Revoke token",
   "Copied": "Copied",
-  "Copy": "Copy",
   "Revoke": "Revoke",
   "Revoking": "Revoking",
   "Are you sure you want to revoke the {{ tokenName }} token?": "Are you sure you want to revoke the {{ tokenName }} token?",