Doc: update change log 0.8.1

drmingdrmer · drmingdrmer · commit e97878187f7b · 2023-02-28T16:00:09.000+08:00
diff --git a/change-log.md b/change-log.md
@@ -1,3 +1,9 @@
+## v0.8.1
+
+### Added:
+
+-   Added: [b3c2ff7e](https://github.com/datafuselabs/openraft/commit/b3c2ff7e37ce5996f572f43bc574cb50b2d0cdc2) add Membership methods: voter_ids(), learner_ids(), get_node(); by 张炎泼; 2023-02-28
+
 ## v0.8.0
 
 ### Fixed:
diff --git a/change-log/v0.8.1.md b/change-log/v0.8.1.md
@@ -0,0 +1,3 @@
+### Added:
+
+-   Added: [b3c2ff7e](https://github.com/datafuselabs/openraft/commit/b3c2ff7e37ce5996f572f43bc574cb50b2d0cdc2) add Membership methods: voter_ids(), learner_ids(), get_node(); by 张炎泼; 2023-02-28

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+### Added:`
	`2`	`+`
	`3`	`+- Added: [b3c2ff7e](https://github.com/datafuselabs/openraft/commit/b3c2ff7e37ce5996f572f43bc574cb50b2d0cdc2) add Membership methods: voter_ids(), learner_ids(), get_node(); by 张炎泼; 2023-02-28`