Add duckdb-pst resources (#317)

* Add duckdb-pst resources

* Move duckdb-pst blog post to bottom

README.md

@@ -354,6 +354,7 @@ Community-contributed DuckDB extensions, which can be installed via `INSTALL ⟨
 - [`observefs`](https://github.com/dentiny/duckdb-filesystem-observability) - I/O observability for DuckDB filesystems with latency statistics and external file cache access insights.
 - [`pfc`](https://github.com/ImpossibleForge/pfc-duckdb) - Read block-indexed PFC-compressed JSONL logs with timestamp filtering — 25% smaller than gzip with minimal S3 egress.
 - [`prql`](https://github.com/ywelsch/duckdb-prql) - Run PRQL commands directly within DuckDB.
+- [`pst`](https://github.com/intellekthq/duckdb-pst) - Read Microsoft PST files in-place with rich schemas for emails, contacts, appointments, tasks, and more.
 - [`scrooge`](https://github.com/pdet/Scrooge-McDuck) - A set of aggregation functions and data scanners on financial data.
 - [`shellfs`](https://github.com/rustyconover/duckdb-shellfs-extension) - Allows shell commands to be used for input and output.
 - [`stats_duck`](https://github.com/KoliStat/the-stats-duck) - Statistics for tabular and clinical data: descriptive tables (`table_one`), linear models with robust/clustered standard errors, meta-analysis, bootstrap, and a grammar-of-graphics `VISUALIZE` clause that turns queries into Vega-Lite charts.
@@ -445,6 +446,7 @@ Community-contributed DuckDB extensions, which can be installed via `INSTALL ⟨
 - [Using DuckDB WASM + Cloudflare R2 to host and query big data (for almost free)](https://andrewpwheeler.com/2025/06/29/using-duckdb-wasm-cloudflare-r2-to-host-and-query-big-data-for-almost-free/) - Demo of using Cloudflare R2 hosting and a WASM DuckDB application to store and query data
 - [SwanLake](https://www.wangfenjin.com/posts/swanlake-en/) - An Arrow Flight SQL Datalake Service Built on DuckDB + DuckLake
 - [DuckDB-Wasm on a Plain Static Host — Without Breaking AdSense](https://csvtodashboard.com/duckdb-wasm-static-host) - Why a static site ships the single-threaded build: SharedArrayBuffer, COOP/COEP, and the cross-origin isolation tradeoff.
+- [Building duckdb-pst](https://intellekt.fyi/2026/02/03/the-data-warehouse-in-your-email-archive-teaching-duckdb-to-speak-outlook/) - How to go from 0 to a production-ready DuckDB extension for Outlook PSTs, including table functions, MAPI schema serialization, projection/statistics pushdown, concurrent planning, and late materialization.
 
 ### Books