[NEW TOOL] ECDSA key create

[jaywehner]

What tool do you want?
Example: ECDSA key creating like puttygen

Describe the solution you'd like
a way to generate a ECDSA key

Is their example of this tool in the wild?
puttygen - puttygen github

[sharevb]

Hi @jaywehner and @CorentinTh, implemented in #1027