feat: add single module folder with kcl mod file with entries config

[Peefy]

1. Does this PR affect any open issues?(Y/N) and add issue references (e.g. "fix #123", "re #123".):

• [x] N
• [ ] Y

feat: add single module folder with kcl mod file with entries config

The module folder

$ tree me

me
├── kcl.mod
├── kcl.mod.lock
└── svc
    └── main.k

$ cat me/kcl.mod

[package]
name = "me"
edition = "0.0.1"
version = "0.0.1"

[profile]
entries = [
    "svc/main.k"
]

Run the command:

$ kcl run me

The_first_kcl_program: Hello World!

2. What is the scope of this PR (e.g. component or file name):

• pkg/options/run.go

3. Provide a description of the PR(e.g. more details, effects, motivations or doc link):

• [ ] Affects user behaviors
• [ ] Contains syntax changes
• [ ] Contains variable changes
• [ ] Contains experimental features
• [ ] Performance regression: Consumes more CPU
• [ ] Performance regression: Consumes more Memory
• [x] Other

4. Are there any breaking changes?(Y/N) and describe the breaking changes(e.g. more details, motivations or doc link):

• [x] N
• [ ] Y

5. Are there test cases for these changes?(Y/N) select and add more details, references or doc links:

• [ ] Unit test
• [ ] Integration test
• [ ] Benchmark (add benchmark stats below)
• [ ] Manual test (add detailed scripts or steps below)
• [x] Other