Feature: Initialize Presentation Generation Library Directory and README

[HlexNC]

This pull request introduces the foundational structure for the new presentation-generation-lib project, designed to automate the creation of PowerPoint presentations using the officegen library. The PR includes the creation of the main project directory and a preliminary README file outlining the library's purpose.

Changes Introduced:

• presentation-generation-lib/ Directory: Establishes the main directory for housing all subsequent library components including source code, examples, and documentation.
• README.md: Provides an initial overview of the library, explaining its intent to facilitate automated PowerPoint presentation generation within Node.js environments. This document serves as the starting point for developers and contributors to understand the project's scope.

Purpose and Impact:

• Purpose: To kickstart the development of the presentation-generation-lib, setting a clear pathway for future development and enhancements.
• Impact: Provides a structured directory and foundational documentation that will guide further development and ensure consistent understanding among contributors and future users of the library.

This initial setup marks the beginning of a promising tool aimed at enhancing productivity and expanding the capabilities of automated document generation within our technology stack.