Adding module overview to index

docs/index.rst

@@ -14,6 +14,31 @@ tools to extract and visualize actionable information from common
 PV data including Operations & Maintenance (O&M) text data, timeseries 
 production data, and current-voltage (IV) curves.
 
+.. list-table:: Module Overview
+   :widths: 25 25 50
+   :header-rows: 1
+
+   * - Module
+     - Type of data
+     - Highlights of functions
+   * - text
+     - O&M records
+     - - fill data gaps in dates and categorical records
+       - visualize word clusters and patterns over time
+   * - timeseries
+     - Production data
+     - - estimate expected energy with multiple models
+       - evaluate inverter clipping
+   * - text2time 
+     - O&M records and production data 
+     - - analyze overlaps between O&M and production (timeseries) records
+       - visualize overlaps between O&M records and production data
+   * - iv
+     - IV records 
+     - - simulate IV curves with physical faults
+       - extract diode parameters from IV curves 
+       - classify faults using IV curves
+
 .. toctree::
     :maxdepth: 1
     :caption: Available resources: