* integrate diskann to the sqlite code
* cleanup code a bit and add more comments
* make parsing code resilient to spaces inside FLOAT typename
* fixup
* fix bugs related to deletes in diskann
* small cleanup
* rename macro
* slightly cleanup vtab code
* slightly improve vectorIndex code
* make code less hacky
* add strange test
* build bundles
* return unit test for diskann pieces
* add one more test
* don't run search on first insertion
* review fixes
* disable index creation in non-normal parse modes
* build bundles
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