Link to working faucets, other dev resources

[coolaj86]

Code: masternode

• http://faucet.testnet.networks.dash.org/
• https://testnet-faucet.dash.org/
• http://faucet.test.dash.crowdnode.io/

UI for RPCs:

• http://insight.testnet.networks.dash.org:3001/insight/

• Links to edit / update

• instructions for a testnet server

Testnet masternode

• https://docs.dash.org/en/stable/docs/user/masternodes/setup-testnet.html

[coolaj86]

Done.