Add links to plugin docs (#262)

docs/index.md

@@ -345,53 +345,53 @@ maintained by the Genkit team:
  <th colspan=2>Official plugins</th>
  </tr>
  <tr>
- <td><code>googleai</code></td>
+ <td><a href="./plugins/google-genai.md"><code>googleai</code></a></td>
  <td>
  <b>Generative models</b>: Gemini Pro, Gemini 1.5 Pro, Gemini Pro Vision<br>
  <b>Embedding models</b>: Gecko text embedding<br>
  </td>
  </tr>
  <tr>
- <td><code>vertexai</code></td>
+ <td><a href="./plugins/vertex-ai.md"><code>vertexai</code></a></td>
  <td>
  <b>Generative models</b>: Gemini Pro, Gemini Pro Vision, Gemini 1.5 Flash, Gemini 1.5 Pro, Imagen2, Anthropic Claude 3<br>
  <b>Embedding models</b>: Gecko text embedding<br>
  <b>Evaluators</b>: Vertex AI evaluation
  </td>
  </tr>
  <tr>
- <td><code>ollama</code></td>
+ <td><a href="./plugins/ollama.md"><code>ollama</code></a></td>
  <td>
  <b>Generative models</b>: Many local models, including Gemma, Llama 3, Mistral, and more<br>
  </td>
  </tr>
  <tr>
- <td><code>chroma</code></td>
+ <td><a href="./plugins/chroma.md"><code>chroma</code></a></td>
  <td>
  <b>Vector database</b>: ChromaDB<br>
  </td>
  </tr>
  <tr>
- <td><code>pinecone</code></td>
+ <td><a href="./plugins/pinecone.md"><code>pinecone</code></a></td>
  <td>
  <b>Vector database</b>: Pinecone<br>
  </td>
  </tr>
  <tr>
- <td><code>google-cloud</code></td>
+ <td><a href="./plugins/google-cloud.md"><code>google-cloud</code></a></td>
  <td>
  <b>Monitoring tools</b>: Google Cloud Trace, Google Cloud Logging<br>
  </td>
  </tr>
  <tr>
- <td><code>firebase</code></td>
+ <td><a href="./plugins/firebase.md"><code>firebase</code></a></td>
  <td>
  <b>Cloud deployment</b>: Cloud Functions, Firebase Authentication, App Check<br>
  <b>Vector database</b>: Cloud Firestore vector store<br>
  </td>
  </tr>
  <tr>
- <td><code>langchain</code></td>
+ <td><a href="./plugins/langchain.md"><code>langchain</code></a></td>
  <td>
  Use LangChain chains and utilities in Genkit flows
  </td>