[TA] unified letter cases in sdk/textanalytics/azure-ai-textanalytics/README.md by nawta · Pull Request #28711 · Azure/azure-sdk-for-python

Description I unified some of the latter cases in sdk/textanalytics/azure-ai-textanalytics/README.md because the section names fluctuated, some are capitalized and others are not. All SDK Contribut...