Website renders CQL2 expressions in the R tutorial incorrectly

[mikemahoney218]

Throughout the second R tutorial, R objects are injected into CQL2 expressions using {{ operators:

stac-site/app/tutorials/r/2-using-rstac-and-cql2-to-query-stac-api/2-using-rstac-and-cql2-to-query-stac-api.en.md

Lines 245 to 251 in 016f2d2

	``` r
	rstac::stac("https://planetarycomputer.microsoft.com/api/stac/v1") |>
	rstac::ext_filter(
	collection == "landsat-c2-l2" &&
	t_intersects(datetime, {{time_range}})
	)
	```

This code renders fine on GitHub:

But on the website, it seems like this formatting is messing something up, and the bit of code within the {{ operators is missing: