feat: Add OpenIM server, environment support for Docker Compose, and Kubernetes deployment.

[cubxxw]

🔍 What type of PR is this?

👀 What this PR does / why we need it:

• My pull request adheres to the code style of this project
• My code requires changes to the documentation
• I have updated the documentation as required
• All the tests have passed

I have fixed the make init and init-config.sh scripts to support openim-docker. Additionally, I have added environment variables. Thank you for bringing this to my attention.

🅰 Which issue(s) this PR fixes:

Fixes #1504
Fixes #1513

📝 Special notes for your reviewer:

🎯 Describe how to verify it

📑 Additional documentation e.g., RFC, notion, Google docs, usage docs, etc.:

[sweep-ai]

Apply Sweep Rules to your PR?

• Apply: All new business logic should have corresponding unit tests.
• Apply: Refactor large functions to be more modular.
• Apply: Add docstrings to all functions and file headers.

[codecov]

Codecov Report

Attention: 18 lines in your changes are missing coverage. Please review.

Comparison is base (c5c5b2f) 4.81% compared to head (7e7ac9e) 5.16%.

Files	Patch %	Lines
pkg/common/db/cache/init_redis.go	0.00%	15 Missing ⚠️
pkg/common/discoveryregister/discoveryregister.go	57.14%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##            main   #1559      +/-   ##
========================================
+ Coverage   4.81%   5.16%   +0.34%     
========================================
  Files         42      42              
  Lines       3843    3759      -84     
========================================
+ Hits         185     194       +9     
+ Misses      3648    3554      -94     
- Partials      10      11       +1     

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[pull-request-size]

Whoa! Easy there, Partner!

This PR is too big. Please break it up into smaller PRs.