To use the star rating component, add the following to the head section of
your HTML file.
rating
The rating is the number of symbols that will appear. Decimals are not
allowed.
If rating is larger than outof, then upon
display rating will be overridden to the maximum number of
stars (outof stars).
outof
The number of symbols that the rating is out of.
If emoji is specified, then outof will have no
effect. If emoji is not specified, then
outof minus rating empty stars will be
displayed after the shaded stars that represent the rating.