port mintlify to fumadocs

.env.example

@@ -0,0 +1,37 @@
+# Copy to .env.local (dev) or pass as container env vars (prod).
+
+# Public URL of the site, used in llms.txt links, canonical URLs and OG metadata
+NEXT_PUBLIC_SITE_URL=https://docs.pangolin.net
+
+# ---------------------------------------------------------------------------
+# AI assistant (bring your own key). Set ONE provider. Keys stay on the server.
+# ---------------------------------------------------------------------------
+
+# Optional: anthropic | openai | google | openai-compatible
+# (inferred from whichever key below is set)
+# AI_PROVIDER=anthropic
+
+# Optional: model id for the provider (defaults: openai=gpt-5.6-luna,
+# anthropic=claude-opus-5, google=gemini-2.5-pro; required for openai-compatible)
+# AI_MODEL=gpt-5.6-luna
+
+# OpenAI
+# OPENAI_API_KEY=
+
+# Anthropic
+# ANTHROPIC_API_KEY=
+
+# Google Gemini
+# GOOGLE_GENERATIVE_AI_API_KEY=
+
+# Any OpenAI-compatible endpoint: OpenRouter, Ollama, vLLM, LiteLLM, or a
+# Pangolin AI Gateway resource
+# AI_BASE_URL=https://openrouter.ai/api/v1
+# AI_API_KEY=
+# AI_MODEL=anthropic/claude-opus-5
+
+# Requests per minute per IP to /api/chat (0 disables the limiter)
+# AI_RATE_LIMIT_PER_MINUTE=10
+
+# Set to 1 to disable PostHog / Rybbit / Reo in production builds
+# NEXT_PUBLIC_DISABLE_ANALYTICS=