Updates memcoin to have automatic setup

[nkcr]

• with the --postinstall option when running memcoin start, the CLI will automatically start and initializes its services
• also fixes the Neff handler to sync the manager in case it can't send the transaction to the pool

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

6.1% Coverage
0.0% Duplication

[coveralls]

Pull Request Test Coverage Report for Build 1998405893

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 8 of 29 (27.59%) changed or added relevant lines in 9 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage increased (+0.1%) to 54.748%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
services/dkg/pedersen/controller/action.go	0	1	0.0%
services/dkg/pedersen/controller/mod.go	0	1	0.0%
services/shuffle/neff/controller/mod.go	1	3	33.33%
contracts/evoting/controller/mod.go	0	4	0.0%
contracts/evoting/controller/action.go	0	6	0.0%
services/shuffle/neff/handler.go	3	10	30.0%

Files with Coverage Reduction	New Missed Lines	%
contracts/evoting/controller/action.go	1	0.0%

Totals
Change from base Build 1979440505:	0.1%
Covered Lines:	3004
Relevant Lines:	5487

---

💛 - Coveralls

[nkcr]

@pierluca @jbsv I'm merging as is. Can be review in postmortem.