add docker support

[ratanparai]

Now you can simply run the project in Docker container.

[codecov]

Codecov Report

Merging #53 into master will decrease coverage by 19.44%.
The diff coverage is 0%.

@@             Coverage Diff             @@
##           master      #53       +/-   ##
===========================================
- Coverage   77.39%   57.94%   -19.45%     
===========================================
  Files          13       17        +4     
  Lines         292      390       +98     
  Branches       10       10               
===========================================
  Hits          226      226               
- Misses         64      162       +98     
  Partials        2        2

Impacted Files	Coverage Δ
...rc/Academia.Infrastructure/Data/AcademiaContext.cs	44.44% <0%> (-55.56%)	⬇️
...ructure/Migrations/20180429141438_InitialCreate.cs	0% <0%> (ø)
src/Academia.Web/Program.cs	0% <0%> (ø)	⬆️
src/Academia.Web/IWebHostExtensions.cs	0% <0%> (ø)
...ructure/Migrations/AcademiaContextModelSnapshot.cs	0% <0%> (ø)
...igrations/20180429141438_InitialCreate.Designer.cs	0% <0%> (ø)
src/Academia.Web/Startup.cs	82.5% <0%> (ø)	⬆️
... and 1 more

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