Create a Markdown-formatted GitHub Gist for each new iOS contact.
Example: https://gist.github.com/extratone/0373594b7b16d5c5a617e2233a134044
Default emplate:
```
# {{Name}}
*Added `{{DateAdded}}`*
{{Organization}}, {{JobTitle}}
- [Phone](tel:{{PhoneNumber}}
- [Email](mailto:{{Email}})
{{Address}}
{{Notes}}
```
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