Add integrations

This adds the projects `mermaid-isomorphic`, `rehype-mermaidjs`, and
`gatsby-remark-mermaid` to the integrations page.

This also removes `remark-mermaid`. This project is outdated and
unmaintained.

docs/ecosystem/integrations.md

@@ -147,8 +147,10 @@ They also serve as proof of concept, for the variety of things that can be built
 
 - [Sphinx](https://www.sphinx-doc.org/en/master/)
   - [sphinxcontrib-mermaid](https://github.com/mgaitan/sphinxcontrib-mermaid)
-- [remark.js](https://remark.js.org/)
-  - [remark-mermaid](https://github.com/temando/remark-mermaid)
+- [rehype](https://github.com/rehypejs/rehype)
+  - [rehype-mermaidjs](https://github.com/remcohaszing/rehype-mermaidjs)
+- [Gatsby](https://www.gatsbyjs.com/)
+  - [gatsby-remark-mermaid](https://github.com/remcohaszing/gatsby-remark-mermaid)
 - [jSDoc](https://jsdoc.app/)
   - [jsdoc-mermaid](https://github.com/Jellyvision/jsdoc-mermaid)
 - [MkDocs](https://www.mkdocs.org)
@@ -189,6 +191,7 @@ They also serve as proof of concept, for the variety of things that can be built
   - [bisheng-plugin-mermaid](https://github.com/yct21/bisheng-plugin-mermaid)
 - [Reveal CK](https://github.com/jedcn/reveal-ck)
   - [reveal-ck-mermaid-plugin](https://github.com/tmtm/reveal-ck-mermaid-plugin)
+- [mermaid-isomorphic](https://github.com/remcohaszing/mermaid-isomorphic)
 - [mermaid-server: Generate diagrams using a HTTP request](https://github.com/TomWright/mermaid-server)
 - [ExDoc](https://github.com/elixir-lang/ex_doc)
   - [Rendering Mermaid graphs](https://github.com/elixir-lang/ex_doc#rendering-mermaid-graphs)

packages/mermaid/src/docs/ecosystem/integrations.md

@@ -141,8 +141,10 @@ They also serve as proof of concept, for the variety of things that can be built
 
 - [Sphinx](https://www.sphinx-doc.org/en/master/)
   - [sphinxcontrib-mermaid](https://github.com/mgaitan/sphinxcontrib-mermaid)
-- [remark.js](https://remark.js.org/)
-  - [remark-mermaid](https://github.com/temando/remark-mermaid)
+- [rehype](https://github.com/rehypejs/rehype)
+  - [rehype-mermaidjs](https://github.com/remcohaszing/rehype-mermaidjs)
+- [Gatsby](https://www.gatsbyjs.com/)
+  - [gatsby-remark-mermaid](https://github.com/remcohaszing/gatsby-remark-mermaid)
 - [jSDoc](https://jsdoc.app/)
   - [jsdoc-mermaid](https://github.com/Jellyvision/jsdoc-mermaid)
 - [MkDocs](https://www.mkdocs.org)
@@ -183,9 +185,10 @@ They also serve as proof of concept, for the variety of things that can be built
   - [bisheng-plugin-mermaid](https://github.com/yct21/bisheng-plugin-mermaid)
 - [Reveal CK](https://github.com/jedcn/reveal-ck)
   - [reveal-ck-mermaid-plugin](https://github.com/tmtm/reveal-ck-mermaid-plugin)
+- [mermaid-isomorphic](https://github.com/remcohaszing/mermaid-isomorphic)
 - [mermaid-server: Generate diagrams using a HTTP request](https://github.com/TomWright/mermaid-server)
 - [ExDoc](https://github.com/elixir-lang/ex_doc)
   - [Rendering Mermaid graphs](https://github.com/elixir-lang/ex_doc#rendering-mermaid-graphs)
 - [NiceGUI: Let any browser be the frontend of your Python code](https://nicegui.io)
   - [ui.mermaid(...)](https://nicegui.io/reference#mermaid_diagrams)
-  - [ui.markdown(..., extras=['mermaid'])](https://nicegui.io/reference#markdown_element)
+  - [ui.markdown(..., extras=\['mermaid'\])](https://nicegui.io/reference#markdown_element)