docs: fix spelling errors in documentation

[michaelsmith37429]

Spelling Corrections in Documentation

Fixed four spelling errors in documentation files:

Files Modified

1. ibc-data-types/README.md (line 7)

   • Before: "and The IBC data structures"
   • After: "and the IBC data structures"
   • Reason: incorrect capital letter mid-sentence

2. ibc-query/README.md (line 15)

   • Before: "Offers convenient objects on which query service has been implemented and" (incomplete sentence)
   • After: "Offers convenient objects on which query service has been implemented."
   • Reason: sentence cut off

3. ibc-clients/README.md (line 12)

   • Before: "It allows you to utilize the own ibc-clients crate"
   • After: "It allows you to utilize the ibc-clients crate"
   • Reason: "the own" is incorrect

4. ibc-core/README.md (line 91)

   • Before: "This crate currently requires neither of the host system"
   • After: "This crate currently requires neither of these from the host system"
   • Reason: incomplete sentence and missing subject agreement