refactor: standardize Cloudflare proxy implementation, clean up configuration, and update documentation

fix: use direct IP for DoH resolver to avoid DNS recursion

fix: add recursion guard to dns-fix.js to prevent stack overflow

chore: align networking configuration with HuggingClaw

fix: use original unpatched http/https functions to 100% avoid recursion

fix: use AsyncLocalStorage for robust recursion guard

fix: prevent recursion in transparent proxy

feat: implement transparent application-level proxy via fetch for blocked domains

fix: explicitly force DoH for Telegram and Discord domains

chore: add connection logging to dns-fix.js

fix: revert Telegram SNI workaround and restore proper dns-fix.js behavior

fix: Telegram+Discord TLS/SNI bypass via Cloudflare Worker proxy

fix: resolve dns resolution issues by updating configuration in dns-fix.js

fix: disable keep-alive on global HTTP/HTTPS agents to prevent ECONNRESET errors on Hugging Face Spaces

chore: add log message for dns-fix.js preload script verification

fix: update DoH provider to cloudflare-dns.com and improve error logging/bypass logic

fix: suppress pip root warnings and prioritize DoH resolution over system DNS to bypass sinkholing

feat: implement DNS-over-HTTPS fallback via custom preload script to resolve connectivity issues on HuggingFace Spaces