Add IP lookup feature

[che0124]

User description

• Add new map.conf for IP-to-location mapping
• Update nginx.conf to increase map_hash_bucket_size to handle larger maps
• Update geoip2.conf to define variables for IP address lookup
• Update ipinfo.conf to add location blocks for /lookup routing

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PR Type

Enhancement, Documentation

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Description

• Introduce IP lookup feature via /lookup endpoint

  • Adds support for querying info for arbitrary IPs
  • Returns country, ASN, and user agent details

• Update NGINX configuration for IP mapping and lookup variables

  • Adds map.conf for argument-based IP selection
  • Extends geoip2.conf for lookup variables
  • Adds /lookup location block in ipinfo.conf
  • Increases map_hash_bucket_size in nginx.conf

• Update documentation to describe new lookup feature

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Changes walkthrough 📝

	Relevant files
Documentation	README.md Document new IP lookup endpoint and usage                                README.md Documents new /lookup endpoint for IP queries Adds usage example for IP lookup +6/-0
Enhancement	geoip2.conf Extend geoip2 config for lookup IP variables                          nginx/conf.d/geoip2.conf Adds variables for IP lookup using $lookup_ip Supports country and ASN info for arbitrary IPs +9/-1      ipinfo.conf Add lookup variables and endpoint to ipinfo config              nginx/conf.d/ipinfo.conf Defines variables for lookup country and ASN Adds /lookup endpoint returning lookup info +6/-0      map.conf Add map config for argument-based IP selection                      nginx/conf.d/map.conf New file mapping query argument ip to $lookup_ip Defaults to client IP if not provided +4/-0      nginx.conf Increase map hash bucket size in nginx config                        nginx/nginx.conf Increases map_hash_bucket_size to 128 for larger maps +1/-0

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Summary by CodeRabbit

• New Features
  • Introduced a new /lookup endpoint that returns IP address, country, and ASN information for a specified IP or the client’s IP by default.
• Documentation
  • Updated documentation to include details and example usage of the new /lookup endpoint.