add doc for topolvm disk maintenance (#617)

* **Documentation**
  * Added how-to guide for safely removing failed storage devices and nodes from TopoLVM storage clusters, including multiple recovery scenarios and verification steps.

* **Chores**
  * Updated spell check dictionary with new term.

Co-authored-by: licheng <chengli@alauda.io>

Author: Muyan0828

.cspell/terms.txt

@@ -22,3 +22,4 @@ cephclusters
 cephfilesystems
 cephobjectstores
 cephobjectstoreusers
+lvmdconfig