Forvo: Add use_alternate_template.

Withouth use_alternate_template, the forvo plugin with a single result doesn't work because the <ul> tag was not automatically created.
Forvo: Add use_alternate_template.

Without use_alternate_template, the forvo plugin with a single result doesn't work because the <ul> tag was not automatically created.
Merge branch 'jag/forvo-single-item' of https://github.com/duckduckgo/zeroclickinfo-spice into jag/forvo-single-item
Merge pull request #285 from duckduckgo/jag/forvo-single-item

Add use_alternate_template: false on the Forvo plugin