Bring in line with JavaScript (#1427)

Author: SleeplessByte

.prettierignore

@@ -2,7 +2,16 @@
 /.github/workflows/sync-labels.yml
 exercises/**/README.md
 !/README.md
+
+# Originates from https://github.com/exercism/org-wide-files
 CODE_OF_CONDUCT.md
+LICENSE
 
 # These are formatted via configlet and will not match prettier
 exercises/**/.meta/config.json
+exercises/**/.approaches/config.json
+config.json
+
+# Originates from https://github.com/exercism/problem-specifications
+exercises/practice/**/.docs/instructions.md
+exercises/practice/**/.docs/introduction.md