[Sweep GHA Fix] The GitHub Actions run failed with...

[sweep-ai]

Description

This pull request includes changes to the CODE_OF_CONDUCT.md, charts/openim-web/Chart.yaml, and docs/version.md files.

Summary

• Added CODE_OF_CONDUCT.md file with the Contributor Covenant Code of Conduct.
• Updated the version number in the charts/openim-web/Chart.yaml file from 0.1.1 to 0.1.2.
• Added a new docs/version.md file explaining the version management system for OpenIM Helm Charts.

[github-actions]

---

[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.

[github-actions]

---

[sweep-ai]

Fixing PR: track the progress here.

I'm currently fixing this PR to address the following:

[Sweep GHA Fix] The GitHub Actions run failed with the following error logs:

The command:
Run ct lint --debug --config ./.github/configs/ct-lint.yaml --lint-conf ./.github/configs/lintconf.yaml
yielded the following error:
##[error]44:47 [new-line-at-end-of-file] no new line character at the end of file
##[endgroup]

Error: failed linting charts: failed processing charts

------------------------------------------------------------------------------------------------------------------------
 ✖︎ openim-web => (version: "0.1.2", path: "charts/openim-web") > failed waiting for process: exit status 1
------------------------------------------------------------------------------------------------------------------------
failed linting charts: failed processing charts
##[error]Process completed with exit code 1.

Here are the logs:
Linting charts...
>>> helm version --template {{ .Version }}
>>> git rev-parse --is-inside-work-tree
>>> git rev-parse --verify origin/main
>>> git merge-base origin/main HEAD
>>> git diff --find-renames --name-only 7062989eae678b5ee566de3a55bba64d45a31f24 -- charts

------------------------------------------------------------------------------------------------------------------------
Charts to be processed:
------------------------------------------------------------------------------------------------------------------------
openim-web => (version: "0.1.2", path: "charts/openim-web")
------------------------------------------------------------------------------------------------------------------------

>>> helm repo add dandydeveloper https://dandydeveloper.github.io/charts/
"dandydeveloper" has been added to your repositories
>>> helm dependency build charts/openim-web
Linting chart "openim-web => (version: \"0.1.2\", path: \"charts/openim-web\")"
Checking chart "openim-web => (version: \"0.1.2\", path: \"charts/openim-web\")" for a version bump...
>>> git cat-file -e origin/main:charts/openim-web/Chart.yaml
>>> git show origin/main:charts/openim-web/Chart.yaml
Old chart version: 0.1.1
New chart version: 0.1.2
Chart version ok.
>>> yamllint --config-file ./.github/configs/lintconf.yaml charts/openim-web/Chart.yaml
##[group]charts/openim-web/Chart.yaml

✨ Created Pull Request: #60