chore: Update README.md and project structure

CHANGELOG.md

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+## [Unreleased]
+
+### Added
+- 🔧 Separate Crawl and Extract JSON Semantic Chunk: Enhancing flexibility and efficiency in large-scale web crawling tasks.
+- 🔍 Colab Integration: Exploring integration with Google Colab for easy experimentation in a collaborative notebook environment.
+- 🎯 XPath and CSS Selector Support: Adding support for selective retrieval of specific elements from web pages.
+- 📷 Image Captioning: Incorporating image captioning capabilities to extract meaningful descriptions from images.
+- 💾 Embedding Data Generation and Storage: Developing functionalities to generate and store embedding data for each crawled website.
+- 🔍 Semantic Search Engine: Building a semantic search engine that fetches content, performs vector search similarity, and generates labeled chunk data based on user queries and URLs.
+
+### Changed
+- None
+
+### Deprecated
+- None
+
+### Removed
+- None
+
+### Fixed
+- None
+
+### Security
+- None
+
+## [1.0.0] - YYYY-MM-DD
+- Initial release