Release v2.0.2

Changes

4d442c9 [AI] Create initial release GHA
91b2b1b [AI] Only when test pass and PR merge on non workflow
f631f0e [AI] Suggest mbstring installed
43b0b40 [AI] Use mbstring for text transformation
c4e8a88 [AI] Update readme
ccecbc5 [AI] Move mbstring check to construction
cdee547 [AI] Update test GHA to test with mbstring
2fab99e Update mbstring installation on GHA
91e8592 Revert "[AI] Update test GHA to test with mbstring"
8c3aecd Fix test GHA
b8d6e3c Remove unnecessary test
aae1314 Make mbstring fancy on README