Add OpenFF-recharge to examples env

Author: Yoshanuikabundi

devtools/conda-envs/examples_env.yml

@@ -29,5 +29,6 @@ dependencies:
   # openff-nagl optional training deps
   - pyarrow
   - dgl
+  - openff-recharge
   # torchdata.datapipes was removed in 0.10.0
   - torchdata<=0.9.0