Use OSS Licenses Plugin to display license under "View Licenses" in menu

[sufyanAbbasi]

trafficstars

Fixes #2326

Introduces the oss-licenses-plugin that builds the licenses for each dependency and shows them in a dynamically generated list.

• [x] Verified that "View Licenses" button triggers the plugin in debug mode.
• [ ] Verified that licenses are shown in release build (how do I do this?)

"View Licenses": Debug build:

PTAL @gino-m!