Update milestones.md (#76)

Author: yuchiki

docs/working/milestones.md

@@ -2,6 +2,11 @@
 
 # done
 
+# v0.2
+
+- It can open the given editor automatically.
+- It has an integration test running on a container.
+
 # v0.1
 
 - It can test testcases
@@ -20,11 +25,6 @@
 
 # v0.x
 
-- It can open the given editor automatically.
-- It has an integration test running on a container.
-
-# v0.x
-
 - it can fetch the list of contests
   - `ach contest upcoming`
   - `ach contest list <matcher>`