docs: Windsurf, Cline & VS Code setup guides (closes #16)

[johnxie]

What & why

Quick Start documented only Claude Desktop and Cursor, yet the tagline advertises Windsurf. Closes #16 by adding copy-paste setup for the remaining major clients.

Changes (README Quick Start)

• §4 Windsurf — ~/.codeium/windsurf/mcp_config.json (or Settings → Cascade → MCP).
• §5 Cline — Cline MCP Servers panel config.
• §6 VS Code — .vscode/mcp.json using VS Code's servers key + ${input:…} secret prompt.
• HTTP/SSE renumbered §4 → §7.

Zero-regression

• Markdown only; all JSON config blocks validated as parseable.
• Each block mirrors the existing Claude/Cursor stdio stanza (npx -y @taskade/mcp-server + TASKADE_API_KEY).

Closes #16.

Stacked on

• Base docs: one-click Add to Cursor / Install in VS Code badges #42 → docs: lead with Taskade's story (demote n8n, add ToC) #41 → fix: reconcile advertised tool count to 57 #40 → main (README chain). Auto-retargets as the chain merges.

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[Copilot]

Pull request overview

Updates the README Quick Start to include copy/paste configuration guides for additional MCP clients (Windsurf, Cline, and VS Code) so the documentation matches the repository’s stated client support and closes #16.

Changes:

• Add a new Windsurf Quick Start section with an example mcp_config.json configuration.
• Add a new Cline Quick Start section with the MCP Servers panel configuration snippet.
• Add a new VS Code Quick Start section and renumber the existing HTTP/SSE section from §4 to §7.

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[johnxie]

✅ Validation & QA — ready to merge

One Copilot comment, validated as a non-issue (two legitimately different formats):

Copilot finding	Verdict
VS Code .vscode/mcp.json uses servers map, but the "Install in VS Code" badge encodes a single-server {name,...}	expected — the vscode:mcp/install? deeplink format (single server object) and the .vscode/mcp.json file format (servers map) are different by design; both are correct for their contexts.

QA: numbering 1–7 correct; all 5 JSON config blocks parse. Closes #16.

Confidence: high · zero regression. Merging.