Add Hot Encoding to the RNN model

[tahifahimi]

Fixes Issue

Closes #184

Changes proposed

• convert the encoding from on-Hot encoding to ordinary encoding

Change the encoding in the RNN model (one hot encoding is added to the model)

Check List (Check all the applicable boxes)

• My code follows the code style of this project.
• My change requires changes to the documentation.
• I have updated the documentation accordingly.
• All new and existing tests passed.
• This PR does not contain plagiarized content.
• The title of my pull request is a short description of the requested changes.

Screenshots

Note to reviewers

[eldraco]

Hi @tahifahimi , thanks for the PR. We are going to be checking it. Please edit the PR and do it again to the develop branch, and not the master branch. Thanks!

[tahifahimi]

Hi Sebastian,
I changed the base. Thanks for noticing.