First implementation (#1)

Reviewed-on: #1

vectors/normalize.jsonl

@@ -0,0 +1,9 @@
+{"id":"nfc","input":"café","output":"café","sha256":"850f7dc43910ff890f8879c0ed26fe697c93a067ad93a7d50f466a7028a9bf4e"}
+{"id":"collapse","input":"a \t\n b","output":"a b","sha256":"c8687a08aa5d6ed2044328fa6a697ab8e96dc34291e8c2034ae8c38e6fcc6d65"}
+{"id":"trim","input":"  a b 　","output":"a b","sha256":"c8687a08aa5d6ed2044328fa6a697ab8e96dc34291e8c2034ae8c38e6fcc6d65"}
+{"id":"angstrom-sign","input":"1.5 Å","output":"1.5 Å","sha256":"3560124dc46b97829d3cac905d18ff5abd7a9f75c7febff30b39b070a737ea09"}
+{"id":"nbsp-thin","input":"300 K and 10 mol","output":"300 K and 10 mol","sha256":"2a620a3e13ea0187f32808491d258d53e161af8db36c614e91df9e625bad7440"}
+{"id":"zero-width-kept","input":"a​b","output":"a​b","sha256":"8df62aef5f92e4c30c0c938497f55f60078c361a476e7e0448485194ad79f884"}
+{"id":"ligature-kept","input":"fit","output":"fit","sha256":"b4ad6ce484479733a24952a73897a9ab4a329b663b6b279162471c3834dbd266"}
+{"id":"micro-kept","input":"5 µm","output":"5 µm","sha256":"92794248cd1afe73490b3cb49f88608b3e92c920c70e9816b33987cb54b1f8ba"}
+{"id":"line-separator","input":"one
two","output":"one two","sha256":"8ab63e29a4ba14e4e1688f9c15e5af90895421358c945b0431f85d66977bd3d2"}