feature: kpm pkg needs to support include/exclude mechanism.

[zong-zhe]

Feature Request

Is your feature request related to a problem? Please describe:

kpm pkg needs to support include/exclude mechanism during the packaging process to support the selection of files in the package.

Describe the feature you'd like:

Describe alternatives you've considered:

Teachability, Documentation, Adoption, Migration Strategy:

[officialasishkumar]

Can you please assign me this issue?

[officialasishkumar]

My current proposal for adding this feature is to have include and exclude in kcl.mod like this:

[package]
name = "my_package"
edition = "v0.8.0"
version = "0.0.1"
include = ["/src", "*."]
exclude = [".*", "dist"]

I will make a function that will exclude and include the files/paths mentioned in the include/exclude key.

cc: @Peefy @zong-zhe

[Peefy]

Closed by #316