Consolidate PDP documentation into single installation guide

- Merged 6 separate PDP sub-pages into one comprehensive guide
- Updated SUMMARY.md to reflect simplified structure
- Maintains all content while improving navigation and readability

Author: TippyFlits

SUMMARY.md

@@ -81,12 +81,7 @@
   - [Sales](storage-providers/skills/sales.md)
   - [Industry](storage-providers/skills/industry.md)
 - [PDP](storage-providers/pdp/README.md)
-  - [Prerequisites](storage-providers/pdp/prerequisites.md)
-  - [Install & Run Lotus](storage-providers/pdp/install-and-run-lotus.md)
-  - [Install & Run YugabyteDB](storage-providers/pdp/install-and-run-yugabytedb.md)
-  - [Install & Run Curio](storage-providers/pdp/install-and-run-curio.md)
-  - [Enable PDP](storage-providers/pdp/enable-pdp.md)
-  - [Use PDP](storage-providers/pdp/use-pdp.md)
+  - [Install & Run PDP](storage-providers/pdp/install-and-run-pdp.md)
 
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