Fix Typos and Improve Wording in Documentation

--- **Description:** This pull request corrects several typos and improves the wording in the following documentation files: - Architecture overview announcement - CLI Hosting guide - Vitalik Blogmaker guide Improvements: - Fixed spelling errors (e.g., "accesible" → "accessible", "sucessfully" → "successfully", "relevent" → "relevant") - Enhanced clarity and consistency in the text ---