Add initial view of key-pairs and accounts inside wallet settings

[seanstrom]

Feature Issue

User Story

As a user,
I want to be able to view my existing key-pairs and accounts from the settings UI.

Description

Implement the display feature for key-pairs and accounts inside wallet settings.

Acceptance Criteria

Screen	Description	Acceptance Criteria
	Navigating to "Key pairs and accounts"	Pressing on "Key pairs and accounts" should open a modal
	Key pairs and accounts should be displayed	The default key pair should be distinct from other key pairs
	ENS names should be visible	If the ens-name is provided then default key pair should display that as the name

Notes

Figma flow: the Figma designs