feat(providers): Add Google provider support (#21)

* feat(providers): Add Google provider support

Update OpenAPI specification and regenerate TypeScript types to include Google provider.

- Download latest openapi.yaml from inference-gateway repository
- Regenerate types with openapi-typescript 
- Add google provider to Provider enum

Closes #19

Co-authored-by: Eden Reich <edenreich@users.noreply.github.com>

* fix(oas-download): Update OpenAPI specification URL to correct repository path

Signed-off-by: Eden Reich <eden.reich@gmail.com>

* docs(fix): Update provider names to lowercase for consistency

Signed-off-by: Eden Reich <eden.reich@gmail.com>

* chore(env): Update environment settings for production and add missing provider configurations

Signed-off-by: Eden Reich <eden.reich@gmail.com>

---------

Signed-off-by: Eden Reich <eden.reich@gmail.com>
Co-authored-by: claude[bot] <209825114+claude[bot]@users.noreply.github.com>
Co-authored-by: Eden Reich <edenreich@users.noreply.github.com>

Author: edenreich

README.md

@@ -116,7 +116,7 @@ try {
         },
       ],
     },
-    Provider.OpenAI
+    Provider.openai
   ); // Provider is optional
 
   console.log('Response:', response.choices[0].message.content);
@@ -159,7 +159,7 @@ try {
       onFinish: () => console.log('\nStream completed'),
       onError: (error) => console.error('Stream error:', error),
     },
-    Provider.Groq // Provider is optional
+    Provider.groq // Provider is optional
   );
 } catch (error) {
   console.error('Error:', error);
@@ -241,7 +241,7 @@ const client = new InferenceGatewayClient({
 });
 
 try {
-  const response = await client.proxy(Provider.OpenAI, 'embeddings', {
+  const response = await client.proxy(Provider.openai, 'embeddings', {
     method: 'POST',
     body: JSON.stringify({
       model: 'text-embedding-ada-002',

Taskfile.yml

@@ -5,7 +5,7 @@ tasks:
   oas-download:
     desc: Download OpenAPI specification
     cmds:
-      - curl -o openapi.yaml https://raw.githubusercontent.com/inference-gateway/inference-gateway/refs/heads/main/openapi.yaml
+      - curl -o openapi.yaml https://raw.githubusercontent.com/inference-gateway/schemas/refs/heads/main/openapi.yaml
 
   lint:
     desc: Lint the SDK

examples/.env.example

@@ -1,8 +1,10 @@
 
 # General settings
-ENVIRONMENT=development
-ENABLE_TELEMETRY=false
-ENABLE_AUTH=false
+ENVIRONMENT=production
+ALLOWED_MODELS=
+# Telemetry
+TELEMETRY_ENABLE=false
+TELEMETRY_METRICS_PORT=9464
 # Model Context Protocol (MCP)
 MCP_ENABLE=false
 MCP_EXPOSE=false
@@ -13,10 +15,35 @@ 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=
+MCP_MAX_RETRIES=3
+MCP_RETRY_INTERVAL=5s
+MCP_INITIAL_BACKOFF=1s
+MCP_ENABLE_RECONNECT=true
+MCP_RECONNECT_INTERVAL=30s
+MCP_POLLING_ENABLE=true
+MCP_POLLING_INTERVAL=30s
+MCP_POLLING_TIMEOUT=5s
+MCP_DISABLE_HEALTHCHECK_LOGS=true
+# Agent-to-Agent (A2A) Protocol
+A2A_ENABLE=false
+A2A_EXPOSE=false
+A2A_AGENTS=
+A2A_CLIENT_TIMEOUT=30s
+A2A_POLLING_ENABLE=true
+A2A_POLLING_INTERVAL=1s
+A2A_POLLING_TIMEOUT=30s
+A2A_MAX_POLL_ATTEMPTS=30
+A2A_MAX_RETRIES=3
+A2A_RETRY_INTERVAL=5s
+A2A_INITIAL_BACKOFF=1s
+A2A_ENABLE_RECONNECT=true
+A2A_RECONNECT_INTERVAL=30s
+A2A_DISABLE_HEALTHCHECK_LOGS=true
+# Authentication
+AUTH_ENABLE=false
+AUTH_OIDC_ISSUER=http://keycloak:8080/realms/inference-gateway-realm
+AUTH_OIDC_CLIENT_ID=inference-gateway-client
+AUTH_OIDC_CLIENT_SECRET=
 # Server settings
 SERVER_HOST=0.0.0.0
 SERVER_PORT=8080
@@ -31,6 +58,9 @@ CLIENT_MAX_IDLE_CONNS=20
 CLIENT_MAX_IDLE_CONNS_PER_HOST=20
 CLIENT_IDLE_CONN_TIMEOUT=30s
 CLIENT_TLS_MIN_VERSION=TLS12
+CLIENT_DISABLE_COMPRESSION=true
+CLIENT_RESPONSE_HEADER_TIMEOUT=10s
+CLIENT_EXPECT_CONTINUE_TIMEOUT=1s
 # Providers
 ANTHROPIC_API_URL=https://api.anthropic.com/v1
 ANTHROPIC_API_KEY=
@@ -46,3 +76,5 @@ OPENAI_API_URL=https://api.openai.com/v1
 OPENAI_API_KEY=
 DEEPSEEK_API_URL=https://api.deepseek.com
 DEEPSEEK_API_KEY=
+GOOGLE_API_URL=https://generativelanguage.googleapis.com/v1beta/openai
+GOOGLE_API_KEY=