Add BitDive to Monitoring and Debugging section

[turmyshevd]

Type of change

• Add an entry to an existing category.

• Remove an existing entry. Provide rationale

• Modify an existing entry. Provide rationale

• Add/modify/remove a category or subcategory. Provide rationale

• Other fixes or amendments.

Rationale

Adding BitDive - an APM tool for Java/Kotlin microservices that provides distributed tracing, service maps, and runtime profiling. It complements existing monitoring tools in the list like Jaeger, Zipkin, and SkyWalking.

Checklist

• The contribution follows the CONTRIBUTING.md document guidelines.

Regarding the suggested entry:

• It is sorted alphabetically in its section. (Between Beats and Elastalert)
• It does not exist already in the list.
• It is not for marketing purposes. (Provides genuine observability value for microservices)