Fix Grammar Issues Across Documentation

[GbotemiB]

Describe the feature you'd like to see

• Use tools like ChatGPT or other LLMs to refine sentence structures.
• Example: “Model Kazakhstan power system has been used to investigate” should be revised for clarity.

[TosinGeorge]

@GbotemiB Where is the documentation? Which documentation has to be improved? All or specific ones?

[GbotemiB]

@TosinGeorge You can access the documentation here