add a simple tool to see inclusion stats

[dshulyak]

/build/inclusion -from 35000 -to 35116 -db /home/dd/spacemesh/state.sql from = 35000 to = 35116 average inclusion 0.954715

./build/inclusion -from 35117 -to 35207 -db /home/dd/spacemesh/state.sql from = 35117 to = 35207 average inclusion 0.989245

./build/inclusion -from 30000 -to 35116 -db /home/dd/spacemesh/state.sql from = 30000 to = 35116 average inclusion 0.982184

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 79.8%. Comparing base (4405b37) to head (9d35099).

Additional details and impacted files

@@           Coverage Diff           @@
##           develop   #5258   +/-   ##
=======================================
  Coverage     79.8%   79.8%           
=======================================
  Files          279     279           
  Lines        28326   28326           
=======================================
+ Hits         22618   22628   +10     
+ Misses        4144    4137    -7     
+ Partials      1564    1561    -3     

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