data: Add pivot_vtab

Signed-off-by: Arnau Siches <asiches@gmail.com>

README.md

@@ -38,6 +38,7 @@ Extensions to enhance SQLite.
 | [sqlite-html](https://github.com/asg017/sqlite-html) | A SQLite extension for querying, manipulating, and creating HTML elements. | go; utilities |
 | [libgsqlite](https://github.com/0x6b/libgsqlite) | A SQLite extension which loads a Google Sheet as a virtual table. | rust; utilities |
 | [cr-sqlite](https://github.com/vlcn-io/cr-sqlite) | Convergent, Replicated SQLite. Multi-writer and CRDT support for SQLite. | c |
+| [pivot_vtab](https://github.com/jakethaw/pivot_vtab) | An extension implementing pivot tables as virtual tables. | c; data_analysis; utilities |
 
 ## JavaScript
 

data/thing.csv

@@ -32,3 +32,4 @@ https://www.sqlteaching.com/,SQL Teaching,An interactive tutorial to learn the r
 https://github.com/asg017/sqlite-loadable-rs,sqlite-loadable-rs,A framework for writing fast and performant SQLite extensions in Rust,utilities
 https://github.com/losfair/mvsqlite,mvSQLite,MVCC SQLite that runs on FoundationDB.,utilities
 https://github.com/superfly/litefs,litefs,FUSE-based file system for replicating SQLite databases across a cluster of machines,application
+https://github.com/jakethaw/pivot_vtab,pivot_vtab,An extension implementing pivot tables as virtual tables.,extensions

data/thing_tag.csv

@@ -51,3 +51,6 @@ https://github.com/asg017/sqlite-loadable-rs,rust
 https://github.com/losfair/mvsqlite,rust
 https://github.com/superfly/litefs,utilities
 https://github.com/superfly/litefs,go
+https://github.com/jakethaw/pivot_vtab,utilities
+https://github.com/jakethaw/pivot_vtab,c
+https://github.com/jakethaw/pivot_vtab,data_analysis