feat: block history estimator

[aalu1418]

https://smartcontract-it.atlassian.net/browse/BCI-2811

• [ ] estimator
• [ ] test cases
• [ ] enable/disable fee bumping?

[cl-sonarqube-production[bot]]

Quality Gate failed

Failed conditions
0.0% Coverage on New Code (required ≥ 75%)

See analysis details on SonarQube

[cl-sonarqube-production[bot]]

Quality Gate passed

Issues
0 New issues
0 Fixed issues
2 Accepted issues

Measures
0 Security Hotspots
93.6% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube