add ability to purge document from custom documents as well as cleanup its associated cache file (#113)

* add ability to purge document from custom documents as well as cleanup its assoicated cache file

* update alert text

* Updates for Linux for frontend/server

* frontend/server docker

* updated Dockerfile for deps related to node vectordb

* updates for collector in docker

* docker deps for ODT processing

* ignore another collector dir

* storage mount improvements; run as UID

* fix pypandoc version typo

* permissions fixes