Chapter 11: MicroProfile Rest Client (#26)

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initial few sections.

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chapter 11: MicroProfile Rest Client

* chapter 11/Update index.adoc: : Add section on RestClientBuilder usage in Chapter 11

- Introduced programmatic client creation using RestClientBuilder
- Added InventoryService example calling ProductService with RestClientBuilder
- Explained builder pattern usage and method chaining benefits
- Clarified when to prefer programmatic client creation over CDI
- Included summary and key takeaways on MicroProfile Rest Client advantages

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Adding a closing statement to the MicroProfile tutorial.

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Fix for #26 (comment)

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Co-authored-by: Radoslav Husar <[email protected]>

* Update index.adoc

Fix for #26 (comment)

* Update index.adoc

Fix for #26 (comment)

* Update index.adoc

Fix for #26 (comment)

* Update index.adoc

Fix for #26 (comment)

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Co-authored-by: Radoslav Husar <[email protected]>

Author: ttelang