Add Data Collection and Annotation Docs Page and Preprocessing Annotated Data Docs Page (#13253)

docs/en/guides/index.md

@@ -44,6 +44,8 @@ Here's a compilation of in-depth guides to help you master different aspects of
 - [OpenVINO Latency vs Throughput Modes](optimizing-openvino-latency-vs-throughput-modes.md) - Learn latency and throughput optimization techniques for peak YOLO inference performance.
 - [Steps of a Computer Vision Project ](steps-of-a-cv-project.md) 🚀 NEW: Learn about the key steps involved in a computer vision project, including defining goals, selecting models, preparing data, and evaluating results.
 - [Defining A Computer Vision Project's Goals](defining-project-goals.md) 🚀 NEW: Walk through how to effectively define clear and measurable goals for your computer vision project. Learn the importance of a well-defined problem statement and how it creates a roadmap for your project.
+- - [Data Collection and Annotation](data-collection-and-annotation.md)🚀 NEW: Explore the tools, techniques, and best practices for collecting and annotating data to create high-quality inputs for your computer vision models.
+- [Preprocessing Annotated Data](preprocessing_annotated_data.md)🚀 NEW: Learn about preprocessing and augmenting image data in computer vision projects using YOLOv8, including normalization, dataset augmentation, splitting, and exploratory data analysis (EDA).
 
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