chore: Improve GitHub issue templates to align with SqlServerDsc

[PlagueHO]

Summary

Align the GitHub issue templates in this repository with the conventions used by SqlServerDsc.

Desired state

Current file	New file	Action
General.md	01_general.md	Rename
Resource_proposal.yml	02_resource_proposal.yml	Rename
Problem_with_resource.yml	03_problem_with_resource.yml	Rename

Tasks

• Rename General.md → 01_general.md
• Rename Resource_proposal.yml → 02_resource_proposal.yml
• Rename Problem_with_resource.yml → 03_problem_with_resource.yml
• Review each template body against its SqlServerDsc counterpart and apply any improvements
• Verify config.yml contact links are still current

References

• SqlServerDsc ISSUE_TEMPLATE folder: https://github.com/dsccommunity/SqlServerDsc/tree/main/.github/ISSUE_TEMPLATE