feat: add scaffold configs and scaffold params commands and start remove placeholders

[Pantani]

close #3684

Description

Configs

We can create a chain with a default module and add the configs later:

ignite s chain github.com/Pantani/mars && cd mars
ignite scaffold configs foo bar:uint baz:bool -y

Or we can also create a module with params and add more configs later:

ignite s chain github.com/Pantani/mars && cd mars   
ignite scaffold module foo --module-configs foo:uint,bar:bool -y
ignite scaffold configs baz boo:uint bla:bool --module foo -y

Params

We can create a chain with a default module and add the parameters later:

ignite s chain github.com/Pantani/mars && cd mars
ignite scaffold params foo bar:uint baz:bool -y

Or we can also create a module with params and add more parameters later:

ignite s chain github.com/Pantani/mars && cd mars   
ignite scaffold module foo --params foo:uint,bar:bool -y
ignite scaffold params baz boo:uint bla:bool --module foo -y

This PR also introduces a new way to add code without placeholders!!!

[julienrbrt]

Given the current and the fact this command is additive, doing a ignite s module bar will still scaffold params. How are you supposed to use this command?

[Pantani]

Given the current and the fact this command is additive, doing a ignite s module bar will still scaffold params. How are you supposed to use this command?

We can create a chain with a default module and add the parameters later:

ignite s chain github.com/Pantani/mars && cd mars
ignite scaffold params foo bar:uint baz:bool -y

Or we can also create a module with params and add more parameters later:

ignite s chain github.com/Pantani/mars && cd mars   
ignite scaffold module foo --params foo:uint,bar:bool -y
ignite scaffold params baz boo:uint bla:bool --module foo -y

Let's create something in the docs about it. wdyt @toschdev ?

[julienrbrt]

🚀 🚀 🚀

xast additions are amazing!