Fix template failure in bio.html when avatar cannot be found

[MikeMoolenaar]

What problem does this PR solve?

Template error when params.author.avatar cannot be found.

Full error:

Start building sites … 
hugo v0.92.2+extended linux/amd64 BuildDate=2023-01-31T11:11:57Z VendorInfo=ubuntu:0.92.2-1ubuntu0.1  
Error: Error building site: failed to render pages: render of "home" failed: execute of template failed: template:   
index.html:8:15: executing "index.html" at <partial "bio" .>: error calling partial: "/home/mike/git/testblog  
/themes/hugo-blog-awesome/layouts/partials/bio.html:4:19": execute of template failed: template: partials/bio.html:4:19:   
executing "partials/bio.html" at <$image.Fill>: nil pointer evaluating resource.Resource.Fill  
Built in 17 ms

Is this PR adding a new feature?

No

Is this PR related to any issue or discussion?

No, hope that's ok. It's quicker to make a PR than opening up an issue.

PR Checklist

• I have verified that the code works as described/as intended.
• This change adds a social icon which has a permissive license to use it.
• This change does not include any external library/resources.
• This change does not include any unrelated scripts (e.g. bash and python scripts).
• I have enabled maintainer edits for this PR.

[netlify]

👷 Deploy Preview for hugo-blog-awesome processing.

Name	Link
🔨 Latest commit	f580a78
🔍 Latest deploy log	https://app.netlify.com/sites/hugo-blog-awesome/deploys/6418b86cd9962700084946ec

[MikeMoolenaar]

Thanks for creating this btw, it looks great! :D

[hugo-sid]

Hi @MikeMoolenaar. Thanks for your contribution. That's a nice way to prevent errors, if someone doesn't want to use an image or if it is not found.

I appreciate your contribution to make this theme better.

Thanks for creating this btw, it looks great! :D

You are welcome @MikeMoolenaar.

Don't forget to star the repo, if you liked it.

Have a nice day.