Azure.Sdk.Tools.TestProxy_1.0.0-dev.20210910.2

[Test-Proxy] Show Customization Details on `/Info/Active` (#1998)

* lots of small documentation updates to /Info/Available/. Added grepping of instance properties for the 'Active' controller. Now need to publicize all the currently private values

* accessing private variables to get their values. for fun and profit :)

* adding instance details to /Info/Active. This will this page actually useful. last item is to make them removable