Fix module index 404 and enhance documentation

- Add comprehensive Python module index (py-modindex.html)
- Add detailed OrderBook API documentation with Level 2 features
- Fix GitHub Actions environment configuration for Pages deployment
- Add automodule directives for proper module indexing
- Update all API documentation with enhanced content
- Fix import issues in main __init__.py
- Update version to 0.3.0 in documentation

Author: TexasCoding

.github/workflows/docs.yml

@@ -82,7 +82,10 @@ jobs:
       pages: write      # to deploy to Pages
       id-token: write   # to verify the deployment originates from an appropriate source
 
-
+    # Configure environment for GitHub Pages deployment
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
 
     steps:
     - name: Download documentation artifacts

docs/api/client.rst

@@ -8,6 +8,12 @@ ProjectX Client
 
 .. currentmodule:: project_x_py
 
+.. automodule:: project_x_py.client
+   :members:
+   :undoc-members:
+   :show-inheritance:
+   :no-index:
+
 .. autoclass:: ProjectX
    :members:
    :undoc-members:

docs/api/data.rst

@@ -24,9 +24,13 @@ Real-time Client
 Orderbook Analysis
 ------------------
 
+.. note::
+   **Level 2 OrderBook API**: For comprehensive Level 2 orderbook analysis including 
+   iceberg detection, market imbalance analysis, and institutional-grade market 
+   microstructure tools, see the dedicated :doc:`orderbook` module.
+
 .. autoclass:: OrderBook
-   :members:
-   :undoc-members:
+   :members: get_orderbook_snapshot, get_best_bid_ask, get_advanced_market_metrics
    :show-inheritance:
 
 Data Factory Functions

docs/api/indicators.rst

@@ -10,6 +10,12 @@ The indicators module provides both class-based and function-based interfaces fo
 
 .. currentmodule:: project_x_py.indicators
 
+.. automodule:: project_x_py.indicators
+   :members:
+   :undoc-members:
+   :show-inheritance:
+   :no-index:
+
 Quick Start
 -----------
 

docs/api/models.rst

@@ -8,6 +8,12 @@ Core Models
 
 .. currentmodule:: project_x_py.models
 
+.. automodule:: project_x_py.models
+   :members:
+   :undoc-members:
+   :show-inheritance:
+   :no-index:
+
 Configuration
 ~~~~~~~~~~~~~