doc: add reheating to the checklist

Author: c-dilks

doc/qa.md

@@ -70,6 +70,16 @@ If you are performing a manual QA as part of a cross check, skip to the next sec
       - run `qtl histogram --check-cache` again, when done, in case additional files were auto-removed from `/cache` during your `jcache` run
 </details>
 
+<details>
+<summary>- [ ] reheat the data, if necessary</summary>
+
+- see [RG-A Spring 2018](/qadb/notes/rga_sp18.md) and [RG-K Fall 2018](/qadb/notes/rgk_fa18.md) for details
+- basically:
+  - use `qtl xcharge` to check the charge
+  - if reheating is needed, use `qtl reheat`
+  - use `qtl xcharge` afterward to check the reheated charge
+</details>
+
 <details>
 <summary>- [ ] verify run-dependent settings are correct for these data</summary>