Create hockeypuck rock and update charm files

[swetha1654]

Applicable spec:

Overview

• Developed the hockeypuck rock to contain the required binaries and templates in the respective folders.
• Developed a wrapper script that substitutes variables in the hockeypuck config file with environment variables and writes to hockeypuck.conf. The script then calls the hockeypuck binary.
• Updated charmcraft.yaml and metadata.yaml

Rationale

Juju Events Changes

Module Changes

Library Changes

Checklist

• The charm style guide was applied
• The contributing guide was applied
• The changes are compliant with ISD054 - Managing Charm Complexity
• The documentation is generated using src-docs
• [] The documentation for charmhub is updated
• The PR is tagged with appropriate label (urgent, trivial, complex)

There is no charmhub documentation available yet.

[github-actions]

license-eye has checked 44 files.

Valid	Invalid	Ignored	Fixed
12	2	30	0

Click to see the invalid file list

• hockeypuck_rock/hockeypuck.conf.tmpl
• hockeypuck_rock/hockeypuck_wrapper.sh

Use this command to fix any missing license headers

```bash

docker run -it --rm -v $(pwd):/github/workspace apache/skywalking-eyes header fix

</details>

[arturo-seijas]

Is the metadata.yaml file part of the template? If so, con you remove it there too?

[swetha1654]

Is the metadata.yaml file part of the template? If so, con you remove it there too?

yes it is. sure, will make changes there too!

[swetha1654]

Is the metadata.yaml file part of the template? If so, con you remove it there too?

Raised a PR for the same: canonical/is-charms-template-repo#25

[github-actions]

Test coverage for fb2b58e

Name           Stmts   Miss Branch BrPart  Cover   Missing
----------------------------------------------------------
src/charm.py      31     19      4      0    34%   37-39, 53-60, 74-94, 99
----------------------------------------------------------
TOTAL             31     19      4      0    34%

Static code analysis report

Run started:2025-01-20 06:38:01.605231

Test results:
  No issues identified.

Code scanned:
  Total lines of code: 157
  Total lines skipped (#nosec): 0
  Total potential issues skipped due to specifically being disabled (e.g., #nosec BXXX): 0

Run metrics:
  Total issues (by severity):
  	Undefined: 0
  	Low: 0
  	Medium: 0
  	High: 0
  Total issues (by confidence):
  	Undefined: 0
  	Low: 0
  	Medium: 0
  	High: 0
Files skipped (0):