Fix README formatting: split OpenAPI spec note into two lines

Author: bsayli

customer-service/README.md

@@ -164,9 +164,10 @@ http://localhost:8084/customer-service/v1/customers
 * OpenAPI JSON → `http://localhost:8084/customer-service/v3/api-docs`
 * OpenAPI YAML → `http://localhost:8084/customer-service/v3/api-docs.yaml`
 
-➡️ The YAML/JSON spec above is the **contract** that the client module (`customer-service-client`) consumes when
-generating code.<br/>
-For clarity, in this repository it is saved under the client module as `src/main/resources/customer-api-docs.yaml`.
+➡️ The YAML/JSON spec above is the **contract** that the client module (`customer-service-client`) consumes when generating code.
+
+➡️ For clarity, in this repository it is saved under the client module as: `src/main/resources/customer-api-docs.yaml`
+
 ---
 
 ### Example Wrapper Snippet