Bump version v0.1.0

Something seems to have gone awry with merging things, which has deleted the original commit...

Author: lkdvos

Project.toml

@@ -1,7 +1,7 @@
 name = "BlockTensorKit"
 uuid = "5f87ffc2-9cf1-4a46-8172-465d160bd8cd"
 authors = ["lkdvos <lukas.devos@ugent.be> and contributors"]
-version = "0.1.0-DEV"
+version = "0.1.0"
 
 [deps]
 BlockArrays = "8e7c35d0-a365-5155-bbbb-fb81a777f24e"