[Product] Update quest with the latest OpenSRP branding.

[dubdabasoduba]

Describe the feature request.

• The OpenSRP logos have been updated recently, we need to update the default application to brand the latest logos. This involves updating the following areas
  • OpenSRP icon for the app
  • The OpenSRP logo is on the login, pin setup, and pin login.
  • OpenSRP logo on the documentation site favicon

Acceptance criteria

• The OpenSRP app icon on devices should match the new logo
• The Logo image on the different pages should match the new logo
• The Documentation site favicon should match the new logo

Area path
A list of ordered steps in the app on usage of the feature to support anyone testing it e.g. Code reviewer, QA e.g.

1. Login to the app
2. Open Navigation bar
3. Click on Children register
4. Click on Child profile
5. Click on Edit profile from menu

Implementation plan (For Engineers)
The plan for implementing the solution e.g. via a description or a check list for the various ordered tasks that will need to be completed.
i.e. Describe how you intend to solve the problem