Add new cheat sheets for Ansible and Jenkins

[ThashmikaX]

This pull request adds new cheat sheets for Ansible and Jenkins, and expands the existing Docker, Linux, and Git cheat sheets with additional commonly used commands. It also updates the project README to include the new cheat sheets for easier discoverability. The main focus is on improving coverage and usability for developers by providing concise references for essential commands across these tools.

New Cheat Sheets:

• Added a comprehensive Ansible cheat sheet covering setup, inventory, ad-hoc commands, playbooks, roles, variables, Ansible Galaxy, Vault, and miscellaneous commands. (CheatSheets/Ansible_CheatSheet.md)
• Added a Jenkins cheat sheet with basic management commands for Linux servers. (CheatSheets/jenkins-cheatsheet.md)

Enhancements to Existing Cheat Sheets:

Docker:

• Introduced a new "Manage Compose" section with common Docker Compose commands. [1] [2]
• Expanded "Manage System" with commands for pruning, network management, and performing a full Docker reset.
• Added a command to display Docker storage usage.

Git:

• Added a command sequence for force-pushing after rewriting commit history.

Linux:

• Included commands for installing and using ncdu for disk usage visualization.

Documentation and Discoverability:

• Updated the main README.md to list and link the new Ansible and Jenkins cheat sheets in both the visual grid and the detailed list. [1] [2]

[github-actions]

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