feat(cli):added dev.local

[cnlangzi]

Proposed changes

• remove unused script on Dockerfile
• improve build performance: move to go build on local instead of inside docker.
• simplify testing and debugging with native binary instead of remote debugger inside docker

Types of changes

What types of changes does your code introduce to 0dns?
Put an x in the boxes that apply

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Refactoring (no functional changes, no api changes)
• Documentation Update
• Other (Please describe):

Checklist

Put an x in the boxes that apply. You can also fill these out after creating the PR. If you're unsure about any of them, don't hesitate to ask. We're here to help! This is simply a reminder of what we are going to look for before merging your code.

• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

Further comments

• added ./dev.local/cli.sh for developer to setup local development && debugging environment
• refactored code to make 0dns also can run outside docker
• related changes with Add 0chain developer guide 0chain#287

[Sriep]

Do we need to update the readme? Assume I am a new developer and follow the directions in readme.md.

[Sriep]

Remove commented-out code. It's still under source control if we want it back.

[cnlangzi]

done

[Sriep]

Remove comments from json file. https://stackoverflow.com/questions/244777/can-comments-be-used-in-json

[cnlangzi]

done