Create APIproposal_CapabilitiesandRuntimeRestrictions_T-MobileUS.md

[gmuratk]

For Issue camaraproject/APIBacklog#22

[TEF-RicardoSerr]

Hello @gmuratk would you be so kind to include the YAML files and supporting documents Links you presented in the TSC meeting to the Template? You can PR them to this PATH or link them directly from yesterday minutes

[gmuratk]

Hello @gmuratk would you be so kind to include the YAML files and supporting documents Links you presented in the TSC meeting to the Template? You can PR them to this PATH or link them directly from yesterday minutes

Created PR #401
cc: @lbertz02