fix: add formatters for Duration and Period types#52

Shubh-Raj wants to merge 3 commits intoaccordproject:mainaccordproject/template-engine:mainfrom

Shubh-Raj:shubh-raj/fix/complex-type-formattingShubh-Raj/template-engine:shubh-raj/fix/complex-type-formattingCopy head branch name to clipboard