Make sure provider gets disposed on app shutdown

[bruno-garcia]

• Registering a type ensures when resolved, lifetime is owned by the container which disposes it on shutdown.
• Resolves LoggerFactory.Dispose not called on app shutdown aspnet/Hosting#1466

[codecov-io]

Codecov Report

Merging #40 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master      #40      +/-   ##
==========================================
+ Coverage   95.98%   95.98%   +<.01%     
==========================================
  Files          70       70              
  Lines        1717     1718       +1     
==========================================
+ Hits         1648     1649       +1     
  Misses         69       69

Impacted Files	Coverage Δ
...try.Extensions.Logging/LoggingBuilderExtensions.cs	100% <100%> (ø)	⬆️

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