Success message of create template command

[nus-pe-bot]

Success message of the create template command can be better formatted, e.g.

New template created: Name: running, calories: 100 kcal

like the add exercise command instead of using its native json form.

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_{[original: nus-cs2103-AY2021S1/pe-interim#5887]}

[Royxuzeng]

Team's Response

The success message is meant to look like that as templates are different from commands. The format can be improved.

Duplicate status (if any):

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