Feature/csv table (#500)

- added csv-replacer
- changed highlghted-code plugin:
     each replacer extracts what he need from the data-extra attribute now
- changed CHANGELOG.md

Co-authored-by: Erik Michelson <github@erik.michelson.eu>

src/components/markdown-renderer/replace-components/csv/csv-parser.ts

@@ -0,0 +1,8 @@
+export const parseCsv = (csvText: string, csvColumnDelimiter: string): string[][] => {
+  const rows = csvText.split('\n')
+  if (!rows || rows.length === 0) {
+    return []
+  }
+  const splitRegex = new RegExp(`${csvColumnDelimiter}(?=(?:[^"]*"[^"]*")*[^"]*$)`)
+  return rows.filter(row => row !== '').map(row => row.split(splitRegex))
+}