Thank you for your contribution to the mysigmail repo.
Before submitting this PR, please make sure:

- [ ] Your code builds clean without any errors or warnings
- [ ] Your commits follow the [сonvention](https://github.com/antonreshetov/mysigmail/blob/master/.github/COMMIT_CONVENTION.md)

**What kind of change does this PR introduce?** (check at least one)

- [ ] Bugfix
- [ ] Feature
- [ ] Refactor

**If is a feature which add new template**

- [ ] Testing copying: Copy as Select and Copy as HTML
- [ ] Testing in Gmail (web client) via Copy as Select
- [ ] Testing in other email client via Copy as HTML
- [ ] Result is same as in preview in app

**Importantly**

To avoid wasting your time, it's best to open a suggestion issue first and wait for approval before working on PR