feat(all): introduce minWordLengthForTypo

fix typo in settting

skip serializing not set typo settings

meilisearch-error/src/lib.rs

@@ -120,6 +120,7 @@ pub enum Code {
     IndexAlreadyExists,
     IndexNotFound,
     InvalidIndexUid,
+    InvalidMinWordLengthForTypo,
 
     // invalid state error
     InvalidState,
@@ -271,6 +272,9 @@ impl Code {
             InvalidApiKeyDescription => {
                 ErrCode::invalid("invalid_api_key_description", StatusCode::BAD_REQUEST)
             }
+            InvalidMinWordLengthForTypo => {
+                ErrCode::invalid("invalid_min_word_length_for_typo", StatusCode::BAD_REQUEST)
+            }
         }
     }