Add Xquik adapter

[kriptoburak]

Summary

• Adds Xquik as a read-only X/Twitter data provider with 4 tools: tweet search, user lookup, followers, and trends.
• Registers the adapter, zod schemas, env key, tool catalog rows, and MCP tool definitions.
• Updates README tool and provider counts plus the Social category row.

Source And Duplicate Checks

• Checked Xquik endpoint paths and x-api-key auth against the Xquik OpenAPI and public docs.
• Checked APIbase default branch, open PRs, open issues, closed PRs, and closed issues for Xquik, x-twitter-scraper, Xquik-dev, and xquik.com; no duplicates found.
• No CONTRIBUTING.md or PR template was present in this repo.

Validation

• ruby -e "require 'yaml'; YAML.load_file('config/tool_provider_config.yaml'); puts 'yaml ok'"
• node -e "const fs=require('fs'); JSON.parse(fs.readFileSync('package.json','utf8')); JSON.parse(fs.readFileSync('src/config/provider-limits.json','utf8')); console.log('json ok')"
• npx --yes prettier@3.5.3 --write src/adapters/xquik/index.ts src/schemas/xquik.schema.ts src/adapters/registry.ts src/schemas/index.ts src/config/env.ts src/mcp/tool-definitions.ts
• npx eslint src/adapters/xquik/index.ts src/schemas/xquik.schema.ts src/adapters/registry.ts src/schemas/index.ts src/config/env.ts src/mcp/tool-definitions.ts
• npx tsc --noEmit --pretty false --skipLibCheck --esModuleInterop --lib ES2022,DOM --moduleResolution node --module commonjs --target es2022 src/adapters/base.adapter.ts src/adapters/xquik/index.ts src/schemas/xquik.schema.ts src/types/provider.ts src/config/logger.ts

npm ci --ignore-scripts is currently blocked by upstream package and lockfile drift (openapi-types, viem, ox). A validation-only install also needed --legacy-peer-deps because of an existing mppx and express peer conflict.