feat(08-03): add 30 Google dorks across 3 categories
- frontier.yaml: 12 dorks (OpenAI, Anthropic, Google AI, Groq, Cohere, Mistral, xAI, Replicate)
- specialized.yaml: 10 dorks (Perplexity, HF, ElevenLabs, Deepgram, AssemblyAI, Stability, Jina, Voyage)
- infrastructure.yaml: 8 dorks (OpenRouter, LiteLLM, Helicone, Portkey, Ollama, vLLM, LocalAI)
- Real site:/filetype:/intitle:/inurl: operators, no templating
- Dual-located: pkg/dorks/definitions/google/ (go:embed) + dorks/google/ (user-visible)
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