Integrate Dev Wallet

[devbugging]

Description

This PR integrates the dev-wallet server into the CLI. This is the beginning of the tools section in the CLI and more will follow. Integration is straightforward since the dev-wallet itself is a module according to the PR onflow/fcl-dev-wallet#100

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For contributor use:

• Targeted PR against master branch
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work
• Code follows the standards mentioned here
• Updated relevant documentation
• Re-reviewed Files changed in the Github PR explorer
• Added appropriate labels

[devbugging]

This is blocked until fcl-dev-wallet is refactored in a way it can be statically exported into a bundle.

[codecov-commenter]

Codecov Report

Merging #467 (1207c89) into master (0801f5d) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #467   +/-   ##
=======================================
  Coverage   54.99%   54.99%           
=======================================
  Files          37       37           
  Lines        2002     2002           
=======================================
  Hits         1101     1101           
  Misses        757      757           
  Partials      144      144           

Flag	Coverage Δ
unittests	54.99% <ø> (ø)

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