feat: add ProposalCraft to Marketing, Sales & CRM (README + docs)

[jabbawocky]

Adds ProposalCraft to both the README and docs/marketing-sales--crm.md as requested in PR #635 review.

What it does: MCP server for freelancers that drafts client proposals in your voice from past winning examples. No API key, no cloud, MIT license.

• README: entry added after Offorte Proposal Software
• docs/marketing-sales--crm.md: same entry added in the same position

Also corrected the repo URL to jabbawocky/proposalcraft (the repo was renamed from bradshawprojects/proposalcraft — GitHub redirects the old URL).

Supersedes PR #635.

[wilsonccccc]

Thanks for the contribution. With the new MCP Index flow, the category docs file is the source of truth for server listings. I updated this PR branch against the new main branch, kept the docs entry, and dropped the old README listing change where needed. This looks good to merge.

[wilsonccccc]

Merged, thank you for contributing to the MCP catalog. We have updated the repo so new server submissions only need to edit the relevant docs/*.md category page; the README and index data are generated from those docs.

We are also using TensorBlock resources to provide free community infrastructure around these listings: structured MCP Index profiles, install metadata, and an agent-searchable registry so MCP servers can get better exposure and be easier for users and agents to discover.

P.S. a ⭐ on the repo helps more folks find your MCP server and the wider community index too!