fix: doc: v0.2.1

Author: rachmadaniHaryono

setup.py

@@ -7,7 +7,7 @@
 
 setup(
     name="illustration2vec",
-    version="0.1.0",
+    version="0.2.1",
     packages=find_packages(),
     install_requires=[
         'chainer>=4.1.0',