Steal credentials from Chrome

@ilija-lazoroski

Description

Write a credentials collector that steals credentials from chrome-based browsers.

See #3398 for research.

Define config-schema.json, manifest, and options (0d) @ilija-lazoroski
Create pipfile for dependencies (0d) @ilija-lazoroski
Add A jenkins job to build the plugin (0d) - @shreyamalviya
Define a strategy class that accepts a "credentials file selector" and a "credentials file processor" (0) @ilija-lazoroski, @shreyamalviya
Write the credentials file selector (and processor?) for Windows for Chrome, Edge (0.75d)
- WindowsCredentialsDatabaseSelector - @shreyamalviya
- WindowsCredentialsDatabaseProcessor - @shreyamalviya
Write the credentials file selector (and processor?) for Linux for Chrome, Chromium (0.75d) - @ilija-lazoroski
~~Install libglib2.0-dev, libdbus-1-3, and libdbus-1-dev on Linux build machine in GCP (dbus-python on Linux requires these)~~
Add machines to GCP for testing (or modify existing machines)
- Windows (0.75d) - @VakarisZ
- Linux (0.75d)
Add a BB test for testing this credentials collector (0.5d) - @shreyamalviya
Document the new feature (0.25d) - @shreyamalviya
Reduce duplicated code
- consolidate windows, linux database readers
- consolidate the decrypt_v80 function
Add changelog entry