Update documentation with service accounts

[volodymyrZotov]

This PR updates documentation to mention Service Accounts support.

It also changes the term '1Password Connect Terraform Provider' to just '1Password Terraform Provider' to cover a wider scope of the tools that the Provider can work with (aka 1Password Connect and 1Password Service Accounts as per now).

Tasks:

• Update autogenerated docs template templates/index.md.tmpl
• Update bug report .github/ISSUE_TEMPLATE/bug_report.md

Improve CONTRIBUTE.md:

• Add Sign Your Commits section.
• Add Debugging section

Resolves #106

[edif2008]

Code review: ✅

The changes look good and straight forward. Thank you for making sure that the documentation is consistent.

I've left some non-blokcing comments, but once addressed we can merge this. 💪🏻

I've noticed the following in your PR description:

Improve CONTRIBUTE.md:

• Add Sign Your Commits section.
• Add Debugging section

Weren't these added as part of #109 already? If so, did we lose that data when merging #99? 🤔

[volodymyrZotov]

@edif2008 thank you for the review.
You're right it was done in #109, and that was merged to this branch, not to main. So nothing lost 🙂

We just split the work between me and @williamhpark and prepared this branch with all the documentation changes for the review.

[armstrongl]

I added a lot of comments and suggestions here, but please take them all with a grain of salt because I might be technically inaccurate. Additionally, keep in mind that I'll be starting issue #65 soon to add this documentation to the 1Password Developer Portal. After that, we'll need to have a discussion regarding whether we want to keep this information in the repo.