Migrate to use bootJar and update docs

[codecov[bot]]

Codecov Report

Merging #456 (0a25eef) into develop (78d4e82) will increase coverage by 0.46%. The diff coverage is 0.00%.

@@              Coverage Diff              @@
##             develop     #456      +/-   ##
=============================================
+ Coverage      84.77%   85.23%   +0.46%     
+ Complexity        79       78       -1     
=============================================
  Files             10       10              
  Lines            427      420       -7     
  Branches          52       52              
=============================================
- Hits             362      358       -4     
+ Misses            43       39       -4     
- Partials          22       23       +1     

Files Changed	Coverage Δ
.../jyuzawa/googolplex_theater/GoogolplexService.java	96.55% <ø> (-0.91%)	:arrow_down:
.../jyuzawa/googolplex_theater/GoogolplexTheater.java	8.33% <0.00%> (+2.45%)	:arrow_up:

... and 1 file with indirect coverage changes