added white space around commands

Author: ttimbers

setup.Rmd

@@ -89,6 +89,7 @@ bash path/to/Miniconda3-latest-Linux-x86_64.sh
 
 > **Note:** Most often, this file is downloaded to the Downloads directory, 
 and thus the command will look like this:
+>
 > ```
 > bash Downloads/Miniconda3-latest-Linux-x86_64.sh
 > ```
@@ -141,9 +142,11 @@ and the \index{kernel!installation} IRkernel.
 To install versions of these that are compatible with the accompanying worksheets, 
 type the command shown below into the Anaconda Prompt (Windows) 
 or terminal (MacOS and Ubuntu). 
+
 ```
 conda env update --file https://raw.githubusercontent.com/UBC-DSCI/data-science-a-first-intro-worksheets/main/environment.yml
 ```
+
 This command installs the specific R and package versions specified in
 the `environment.yml` file found in 
 [the worksheets repository](https://ubc-dsci.github.io/data-science-a-first-intro-worksheets).
@@ -158,6 +161,7 @@ so that they are compatible with the exercise worksheets that accompany the book
 > incompatible with the worksheets that accompany the book; the automated
 > exercise feedback might tell you your answers are not correct even though
 > they are!
+> 
 > ```
 > conda install -c conda-forge -y \
 >   r-base \