docs: AI config --> AI Config name change (#42)

**Requirements**

- [ ] I have added test coverage for new or changed functionality
- [x] I have followed the repository's [pull request submission
guidelines](../blob/main/CONTRIBUTING.md#submitting-pull-requests)
- [ ] I have validated my changes against all supported platform
versions

**Related issues**

https://launchdarkly.atlassian.net/browse/DOCS-2117

**Describe the solution you've provided**

Style guide change requires an update in capitalization here.

Author: mmrj

ldai/tracker.py

@@ -72,7 +72,7 @@ def __init__(
         self, ld_client: LDClient, variation_key: str, config_key: str, version: int, context: Context
     ):
         """
-        Initialize an AI configuration tracker.
+        Initialize an AI Config tracker.
 
         :param ld_client: LaunchDarkly client instance.
         :param variation_key: Variation key for tracking.