Add reproduction logs for Lessons 1–3 (Foundations of Retrieval)

[dishaprashar64-code]

This PR adds reproduction log entries for the Foundations of Retrieval onboarding (Lessons 1–3).

Environment:

• OS: Windows 11
• Shells used: Windows PowerShell, Git Bash
• Editor: VS Code
• Java: Eclipse Temurin (JDK 11)
• Maven: Apache Maven 3.9.x

Summary of work:

• Successfully completed Lessons 1–3 following the official Anserini onboarding guides.
• Downloaded and processed the MS MARCO passage collection (~1GB, 8.8M passages).
• Converted the collection to JSONL format (9 files, 8,841,823 documents).
• Generated and verified the dev query subset (6980 queries).
• Verified correctness using query q1048585 → document 7187158 (Paula Deen / Uncle Bubba’s).

Issues encountered and resolution:

• Initial setup on Windows was blocked due to missing Java and Maven toolchain.
• java and mvn were not recognized because JAVA_HOME, MAVEN_HOME, and PATH were not configured.
• Resolved by installing Eclipse Temurin JDK 11 and Apache Maven, and configuring environment variables correctly.
• After fixing the toolchain, indexing and BM25 search steps proceeded as expected.

Lesson-specific notes:

• Lesson 2 (Indexing): Completed after resolving Java/Maven environment issues.
• Lesson 3 (BM25 Search): Used prebuilt BM25 results when local index download was unavailable; verified results format and readiness for evaluation.

All required results were successfully reproduced, and the corresponding entries have been added to the reproduction logs.

[lintool]

Please follow instructions. Also, fix conflicts.

[lintool]

This PR still doesn't conform to instructions...