Added documentation

docs/spell_check.sh

@@ -0,0 +1,26 @@
+# Using cspell, we'll loop over each subdirectory inside ./docs and check every mdx file for spelling errors.
+# If there is an error, we'll write the word to an output file
+
+# prep
+if [ -f spell_check_results.txt ]; then
+  rm spell_check_results.txt
+fi
+cd docs
+
+# first check, over the mdx files in the root directory
+find . -maxdepth 1 -type f -name "*.mdx" -exec cspell --words-only {} \; >> ../output.txt
+
+# loop over each subdirectory and any directories inside
+for dir in */; do
+  find $dir -type d -exec cspell --words-only {}/*.mdx \; >> ../output.txt
+done
+
+# loop over each line in the output file and prune duplications
+cd ../
+awk '!a[$0]++' output.txt > spell_check_results.txt
+rm output.txt
+
+# check the number of lines in spell_check_results.txt
+lines=$(wc -l < spell_check_results.txt)
+
+echo "There are $lines spelling errors or unknown words."