(Improvement) Show the list of addresses in My Addresses as a grid

[garatortiz]

Before submitting a pull request, please provide the following information:

• What is it? (leave one option)

  • (Improvement) of existing functionality

• What was the root cause of the problem originally / what feature was missing? Show the registered addresses as a grid instead of a list.

• How does this pull request solve it (in broad terms)?

• Does it close any open issues? No

• Quick checklist

  • [x] npm run lint shows no errors
  • [x] docs were updated where necessary OR they don't need to be updated
  • [x] tests were updated where necessary OR they don't need to be updated

• Additional information

[coveralls]

Pull Request Test Coverage Report for Build 315

• 0 of 13 (0.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.2%) to 70.885%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
web-dapp/src/components/MyAddressesPage.js	0	13	0.0%
<!--	Total:	0	13	0.0%	-->

Totals
Change from base Build 307:	-0.2%
Covered Lines:	830
Relevant Lines:	1120

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💛 - Coveralls

[garatortiz]

[garatortiz]

[phahulin]

@matiasgaratortiz maybe also add creation date and confirmation date?

[garatortiz]

@phahulin we have not this info in the contract...

[phahulin]

Is this ready for review? (still has "In progress" label)

[garatortiz]

@phahulin yes, it's ready