Add in POC to test other providers under the hood.

Lot of fuffing around to figure out what to mock when doing a test.

…ovider-poc

Removing unused config elements also.

More refactoring and adding HH component finder.

…ovider-poc

This is the 3rd attempt.

Output channel has a wrapper to make logging easier.

…ovider-poc

Fixed the NPM and code which found/resolved the paths for projects into
an abstract resolver.

Hasn't been merged over the truffle code write now but put into a
seperate namespace to keep it isolated and for comment.

removed some dead imports and lowered the hardhat min version.

Added in methods to make folder based ExtensionMapping work.

Still an odd issue that the picker per project is happening twice but
will be easy enough to figure out whats going on.

moving the code to be more workspace aware.

adding code to handle workspaces that have no/unknown frameworks
installed so they fail gracefully.

TODO: somehow add in a notification on UnknownExtensionAdapter.ts to
warn user their commands are benign.

update to latest sinon (was very old)

refactored out the old TruffleWorkspace code and move everything to
AbstractWorkspace aware.

workspace.ts removed and refactored to a Helper class WorkspaceHelpers
.ts which now has all the base workspace helpers that are more VSCode
specific.

Core commands and TruffleCommands.ts are all AbstractWorkspace aware now
 as well.

 Tests cleaned up. A few placeholders added to wire out tomorrow.

Add in chai as promised to help with promise testing.

Fixed the tests around workspace resolving and got good coverage on all
paths.

Stopped updating copyright automagically.

Fixing tests and optimising the code before I can do the next part which
 is abstract out the truffle resolver code for config etc.

Reworking the mocks to work in the VSCode integration test environment.

The joys...