Add the ability to create new ruleset and new rule

[sewe2000]

Resolves #35

[sewe2000]

I suggest changing names of these commands: nr or new rule - to create rule ns or new set - to create set

@BaderBC What do you think about it?

[BaderBC]

I suggest changing names of these commands: nr or new rule - to create rule ns or new set - to create set

@BaderBC What do you think about it?

Even though It sounds good I'm not sure whether it is necessary, especially that new rule isn't the command which would be often used.

[sewe2000]

I suggest changing names of these commands: nr or new rule - to create rule ns or new set - to create set

@BaderBC What do you think about it?

Even though It sounds good I'm not sure whether it is necessary, especially that new rule isn't the command which would be often used.

The thing is I've implemented the process of creating a new rule, but the command is generate {rule_name}````. @cooligus suggested to change it tonew rule {rule_name}```

[BaderBC]

I suggest changing names of these commands: nr or new rule - to create rule ns or new set - to create set

@BaderBC What do you think about it?

Even though It sounds good I'm not sure whether it is necessary, especially that new rule isn't the command which would be often used.

The thing is I've implemented the process of creating a new rule, but the command is generate {rule_name}````. @cooligus suggested to change it tonew rule {rule_name}```

Okay, Now I understand. Personally i prefer to do it the same way Nest.js cli did it - generate