docs: Add more examples how to use this sdk

examples/mcp/.env.example

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+
+# General settings
+ENVIRONMENT=development
+ENABLE_TELEMETRY=false
+ENABLE_AUTH=false
+# Model Context Protocol (MCP)
+MCP_ENABLE=false
+MCP_EXPOSE=false
+MCP_SERVERS=
+MCP_CLIENT_TIMEOUT=5s
+MCP_DIAL_TIMEOUT=3s
+MCP_TLS_HANDSHAKE_TIMEOUT=3s
+MCP_RESPONSE_HEADER_TIMEOUT=3s
+MCP_EXPECT_CONTINUE_TIMEOUT=1s
+MCP_REQUEST_TIMEOUT=5s
+# OpenID Connect
+OIDC_ISSUER_URL=http://keycloak:8080/realms/inference-gateway-realm
+OIDC_CLIENT_ID=inference-gateway-client
+OIDC_CLIENT_SECRET=
+# Server settings
+SERVER_HOST=0.0.0.0
+SERVER_PORT=8080
+SERVER_READ_TIMEOUT=30s
+SERVER_WRITE_TIMEOUT=30s
+SERVER_IDLE_TIMEOUT=120s
+SERVER_TLS_CERT_PATH=
+SERVER_TLS_KEY_PATH=
+# Client settings
+CLIENT_TIMEOUT=30s
+CLIENT_MAX_IDLE_CONNS=20
+CLIENT_MAX_IDLE_CONNS_PER_HOST=20
+CLIENT_IDLE_CONN_TIMEOUT=30s
+CLIENT_TLS_MIN_VERSION=TLS12
+# Providers
+ANTHROPIC_API_URL=https://api.anthropic.com/v1
+ANTHROPIC_API_KEY=
+CLOUDFLARE_API_URL=https://api.cloudflare.com/client/v4/accounts/{ACCOUNT_ID}/ai
+CLOUDFLARE_API_KEY=
+COHERE_API_URL=https://api.cohere.ai
+COHERE_API_KEY=
+GROQ_API_URL=https://api.groq.com/openai/v1
+GROQ_API_KEY=
+OLLAMA_API_URL=http://ollama:8080/v1
+OLLAMA_API_KEY=
+OPENAI_API_URL=https://api.openai.com/v1
+OPENAI_API_KEY=
+DEEPSEEK_API_URL=https://api.deepseek.com
+DEEPSEEK_API_KEY=
+
+# Chosen provider
+PROVIDER=deepseek
+LLM=deepseek-chat
+
+# Brave search
+BRAVE_API_KEY=