feat: Implement faucet dApp (#531)

* Feat: Integrate faucet page to SPA plugin

* Feat: Add Link to get txn of issued address

* Feat: Add faucet payload

* Feat: Add faucet plugin and minor tweaks

* Fix: Check payload type after the txn is solid

* Fix: Update package name

* Fix: Fix payload test

* Test: Add faucet test

* Refactor: Minor tweaks in plugin/faucet.go

* Feat: Add faucet webapi

* Feat: Apply faucet plugins

* Feat: Apply messagefactory and update to latest develop

* Fix: Fix import error

* Fix: Fix tests in binary/faucet

* Feat: Integrate faucet page to SPA plugin

* Feat: Add Link to get txn of issued address

* Feat: Add faucet payload

* Feat: Add faucet plugin and minor tweaks

* Fix: Check payload type after the txn is solid

* Fix: Update package name

* Fix: Fix payload test

* Test: Add faucet test

* Refactor: Minor tweaks in plugin/faucet.go

* Feat: Add faucet webapi

* Feat: Apply faucet plugins

* Feat: Apply messagefactory and update to latest develop

* Fix: Fix import error

* Fix: Fix tests in binary/faucet

* refactor: Update to latest usage

* fix: Update go.mod, go.sum

* refactor: Disable faucet plugin by default

* fix: Update to latest changes

* feat: Add faucet payload layout

* refactor: Move faucet to dapps

* feat: Enable the faucet to send funds 

* Fix: fix tests

* fix: Fix test

* fix: Initiate LedgerState

* Update packr on dashboard

* refactor: refactor SendFunds in faucet dapp

* feat: Add faucet integration test

* feat: Add faucet integration test to script

* doc: Add function descriptions

* fix: fix wrong parameter in CheckBalances

* fix: fix 

* fix some stuff

* make the faucet configurable via CLI flags

* make the faucet seed a parameter in the integration tests

* activate the faucet on the peer master in docker-network

* fixes wrong address route in faucet view

* improves faucet processing log message

* fix log messages in faucet dapp

* improve error message further

* fixes unit tests

* adds tool to auto. gen. address

* dog

* wait for faucet funding tx to get booked before processing the next request

* make the dog stay silent

* decrease pow difficulty to 1 in int. tests

* use 4 as the pow difficulty in integration tests

* 



* fix integration tests

* dec. pow diff to 1

* use 0 for the faucet integration test

* use a worker pool to serve faucet funding requests

Co-authored-by: Luca Moser <moser.luca@gmail.com>