Footer and robots.txt update

Trying to discourage AI bots from viewing my site.

layouts/robots.txt

@@ -1,7 +1,103 @@
+# Block AI crawlers and scrapers
+User-agent: GPTBot
+Disallow: /
+
+User-agent: ChatGPT-User
+Disallow: /
+
+User-agent: CCBot
+Disallow: /
+
+User-agent: anthropic-ai
+Disallow: /
+
+User-agent: Claude-Web
+Disallow: /
+
+User-agent: Google-Extended
+Disallow: /
+
+User-agent: GoogleOther
+Disallow: /
+
+User-agent: PerplexityBot
+Disallow: /
+
+User-agent: Omgilibot
+Disallow: /
+
+User-agent: FacebookBot
+Disallow: /
+
+User-agent: Diffbot
+Disallow: /
+
+User-agent: Bytespider
+Disallow: /
+
+User-agent: ImagesiftBot
+Disallow: /
+
+User-agent: cohere-ai
+Disallow: /
+
+User-agent: Applebot-Extended
+Disallow: /
+
+User-agent: YouBot
+Disallow: /
+
+User-agent: Meta-ExternalAgent
+Disallow: /
+
+User-agent: Meta-ExternalFetcher
+Disallow: /
+
+User-agent: OAI-SearchBot
+Disallow: /
+
+User-agent: PetalBot
+Disallow: /
+
+User-agent: Amazonbot
+Disallow: /
+
+User-agent: ClaudeBot
+Disallow: /
+
+User-agent: Timpibot
+Disallow: /
+
+User-agent: Kangaroo Bot
+Disallow: /
+
+User-agent: img2dataset
+Disallow: /
+
+User-agent: ISSCyberRiskCrawler
+Disallow: /
+
+User-agent: iaskspider/2.0
+Disallow: /
+
+User-agent: Scrapy
+Disallow: /
+
+User-agent: Zealbot
+Disallow: /
+
+User-agent: newspaper
+Disallow: /
+
+# Allow other bots
 User-agent: *
-# robotstxt.org - if ENV production variable is false robots will be disallowed.
 {{ if eq (getenv "HUGO_ENV") "production" | or (eq .Site.Params.env "production")  }}
 Disallow:
 {{ else }}
 Disallow: /
 {{ end }}
+
+# Sitemap location (update with your actual sitemap URL)
+{{ if eq (getenv "HUGO_ENV") "production" | or (eq .Site.Params.env "production")  }}
+Sitemap: {{ .Site.BaseURL }}sitemap.xml
+{{ end }}