Update README.md

Based on https://github.com/moirage/alignment-research-dataset.
Cleaned up and kept up-to-date by [StampyAI](https://coda.io/d/AI-Safety-Info_dfau7sl2hmG/Get-involved_susRF#_lufSr)

README.md

@@ -1,3 +1,9 @@
 ---
 license: mit
----
+task_categories:
+- question-answering
+language:
+- en
+size_categories:
+- 10K<n<100K
+---