MSDKANDRD-1658 Implement Tokenize Payment Screen Sample

New features:

• Added Tokenize Payment Screen Feature with JWT Explorer function.

• Jira: https://securetrading.atlassian.net/browse/MSDKANDRD-1658

• Demonstration on Debug Variant:

• Tokenize1

• Demonstration on Release Variant:

• 

• Tokenize-Release_Variant_Demo