[FEATURE] add missing asset sub-sub-types

[JoernBerkefeld]

basically add any assetTypeID thats listed on this docs page but is not retrieved by mcdev so far:

https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/base-asset-types.html

added to (new) asset-package:

• packagedefinition
• packagedeployment

added to asset-block:

• enhanceddynamicblock
• iccloudpageblock
• einsteincontentselectionblock
• einsteincontenttesting

added to asset-template:

• jsonmessagetemplate (whatsapp)
• jbtemplate (journey template)