minor #1207 Fix a/an grammar typos (OskarStark)

This PR was merged into the main branch.

Discussion
----------

 Fix a/an grammar typos

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| Docs?         | no
| Issues        | --
| License       | MIT

Commits
-------

b1cf3d4 Fix a/an grammar typos

Author: OskarStark

README.md

@@ -11,7 +11,7 @@ Symfony AI consists of several lower and higher level **components** and the res
 * **Components**
   * **[Platform](src/platform/README.md)**: A unified interface to various AI platforms like OpenAI, Anthropic, Azure, Gemini, VertexAI, and more.
   * **[Agent](src/agent/README.md)**: Framework for building AI agents that can interact with users and perform tasks.
-  * **[Chat](src/chat/README.md)**: An unified interface to send messages to agents and store long-term context.
+  * **[Chat](src/chat/README.md)**: A unified interface to send messages to agents and store long-term context.
   * **[Store](src/store/README.md)**: Data storage abstraction with indexing and retrieval for AI applications.
 * **Bundles**
   * **[AI Bundle](src/ai-bundle/README.md)**: Symfony integration for AI Platform, Store and Agent components.

docs/bundles/ai-bundle.rst

@@ -82,7 +82,7 @@ Advanced Example with Multiple Agents
                       description: 'Provides the name of your company'
                       method: 'foo' # Optional with default value '__invoke'
 
-                    # Referencing a agent => agent in agent 🤯
+                    # Referencing an agent => agent in agent 🤯
                     - agent: 'research'
                       name: 'wikipedia_research'
                       description: 'Can research on Wikipedia'

src/platform/src/Bridge/Mistral/Tests/Contract/ImageUrlNormalizerTest.php

@@ -27,7 +27,7 @@ public function testSupportsNormalization()
         $this->assertTrue($normalizer->supportsNormalization(new ImageUrl('https://example.com/image.png'), context: [
             Contract::CONTEXT_MODEL => new Mistral('mistral-large-latest'),
         ]));
-        $this->assertFalse($normalizer->supportsNormalization('not a image url'));
+        $this->assertFalse($normalizer->supportsNormalization('not an image url'));
     }
 
     public function testGetSupportedTypes()