feat(backend/blocks/nvidia): Provide Nvidia by default (#9235)

We want to allow users to use Nvidia without their own keys

### Changes 🏗️

Added nvidia api key to credentials store.

### Checklist 📋

#### For code changes:
- [ ] I have clearly listed my changes in the PR description
- [ ] I have made a test plan
- [ ] I have tested my changes according to the test plan:
  <!-- Put your test plan here: -->
  - [ ] ...

<details>
  <summary>Example test plan</summary>
  
  - [ ] Create from scratch and execute an agent with at least 3 blocks
- [ ] Import an agent from file upload, and confirm it executes
correctly
  - [ ] Upload agent to marketplace
- [ ] Import an agent from marketplace and confirm it executes correctly
  - [ ] Edit an agent from monitor, and confirm it executes correctly
</details>

#### For configuration changes:
- [x] `.env.example` is updated or already compatible with my changes

<details>
  <summary>Examples of configuration changes</summary>

  - Changing ports
  - Adding new services that need to communicate with each other
  - Secrets or environment variable changes
  - New or infrastructure changes such as databases
</details>

autogpt_platform/backend/.env.example

@@ -130,6 +130,9 @@ EXA_API_KEY=
 # E2B
 E2B_API_KEY=
 
+# Nvidia
+NVIDIA_API_KEY=
+
 # Logging Configuration
 LOG_LEVEL=INFO
 ENABLE_CLOUD_LOGGING=false

autogpt_platform/backend/backend/integrations/credentials_store.py

@@ -114,6 +114,13 @@ e2b_credentials = APIKeyCredentials(
     title="Use Credits for E2B",
     expires_at=None,
 )
+nvidia_credentials = APIKeyCredentials(
+    id="96b83908-2789-4dec-9968-18f0ece4ceb3",
+    provider="nvidia",
+    api_key=SecretStr(settings.secrets.nvidia_api_key),
+    title="Use Credits for Nvidia",
+    expires_at=None,
+)
 
 
 DEFAULT_CREDENTIALS = [
@@ -130,6 +137,7 @@ DEFAULT_CREDENTIALS = [
     fal_credentials,
     exa_credentials,
     e2b_credentials,
+    nvidia_credentials,
 ]
 
 
@@ -187,6 +195,8 @@ class IntegrationCredentialsStore:
             all_credentials.append(exa_credentials)
         if settings.secrets.e2b_api_key:
             all_credentials.append(e2b_credentials)
+        if settings.secrets.nvidia_api_key:
+            all_credentials.append(nvidia_credentials)
         return all_credentials
 
     def get_creds_by_id(self, user_id: str, credentials_id: str) -> Credentials | None:

autogpt_platform/backend/backend/util/settings.py

@@ -307,6 +307,7 @@ class Secrets(UpdateTrackingModel["Secrets"], BaseSettings):
     fal_api_key: str = Field(default="", description="FAL API key")
     exa_api_key: str = Field(default="", description="Exa API key")
     e2b_api_key: str = Field(default="", description="E2B API key")
+    nvidia_api_key: str = Field(default="", description="Nvidia API key")
 
     # Add more secret fields as needed