feat: support markdown in chat and resource

[JacobLinCool]

This pull request includes several updates and enhancements to the project, focusing on markdown rendering. The most important changes include adding new dependencies, implementing markdown rendering, and updating the Tailwind CSS configuration.

resolve #53

Dependency Additions:

• package.json: Added dompurify and marked dependencies. [1] [2]
• pnpm-lock.yaml: Added dompurify, marked, and @types/trusted-types packages. [1] [2] [3] [4] [5] [6] [7] [8]

Markdown Rendering:

• src/lib/components/Chatroom.svelte: Integrated renderMarkdown function to render markdown content in chat messages. [1] [2]
• src/lib/components/session/HostView.svelte: Used renderMarkdown function to render markdown content in session resources. [1] [2]
• src/routes/template/[id]/ResourceList.svelte: Applied renderMarkdown function to render markdown content in resource lists. (src/routes/template/[id]/ResourceList.svelteR8, src/routes/template/[id]/ResourceList.svelteL218-R227)
• src/lib/utils/renderMarkdown.ts: Created renderMarkdown function to convert markdown to sanitized HTML using marked and DOMPurify.

Configuration Improvements:

• tailwind.config.ts: Updated Tailwind CSS configuration to include custom typography styles under the hina key.

Miscellaneous Changes:

• src/lib/stores/auth.ts: Updated signOut function to accept a fetch function parameter for better testability.
• src/routes/login/+page.server.ts: Passed the fetch function to the signOut function.

[Copilot]

Copilot reviewed 5 out of 9 changed files in this pull request and generated 1 comment.

Files not reviewed (4)

• package.json: Language not supported
• src/lib/components/Chatroom.svelte: Language not supported
• src/lib/components/session/HostView.svelte: Language not supported
• src/routes/template/[id]/ResourceList.svelte: Language not supported