update redirects

Author: jiyuujin

netlify.toml

@@ -8,6 +8,16 @@
   to = "/2023/:splat"
   status = 301
 
+[[redirects]]
+  from = "/2023/ja-basic/*"
+  to = "/2023/200.html"
+  status = 200
+
+[[redirects]]
+  from = "/2023/ja-basic/*"
+  to = "/2023/:splat"
+  status = 301
+
 [[redirects]]
   from = "/2023/users/*"
   to = "/2023/200.html"