Add a Pyramid debug configuration for the experimental debugger

[DonJayamanne]

Fixes #1030

This pull request:

• Has a title summarizes what is changing
• Includes a news entry file
• Has unit tests & code coverage is not adversely affected (within reason)
• Works on all actively maintained versions of Python (e.g. Python 2.7 & the latest Python 3 release)
• Works on Windows 10, macOS, and Linux (e.g. considered file system case-sensitivity)

[codecov]

Codecov Report

Merging #1104 into master will decrease coverage by 0.04%.
The diff coverage is 95%.

@@            Coverage Diff             @@
##           master    #1104      +/-   ##
==========================================
- Coverage   71.81%   71.76%   -0.05%     
==========================================
  Files         260      260              
  Lines       11887    11895       +8     
  Branches     2106     2107       +1     
==========================================
  Hits         8537     8537              
- Misses       3226     3228       +2     
- Partials      124      130       +6

Impacted Files	Coverage Δ
src/client/debugger/Common/telemetry.ts	95.23% <ø> (ø)	⬆️
src/client/common/types.ts	100% <ø> (ø)	⬆️
src/client/common/platform/types.ts	100% <ø> (ø)	⬆️
src/client/debugger/Common/Contracts.ts	89.58% <ø> (ø)	⬆️
src/client/common/platform/fileSystem.ts	79.16% <100%> (+0.9%)	⬆️
...rc/client/debugger/configProviders/baseProvider.ts	92.95% <100%> (+0.89%)	⬆️
src/client/debugger/Main.ts	50.12% <100%> (+0.12%)	⬆️
...c/client/debugger/DebugClients/LocalDebugClient.ts	52.03% <83.33%> (+0.36%)	⬆️
src/client/debugger/PythonProcess.ts	45.41% <0%> (-3.34%)	⬇️
...rc/client/debugger/PythonProcessCallbackHandler.ts	52.3% <0%> (-0.66%)	⬇️
... and 1 more

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