Optimization: skip deleted files

[johnlk]

This will allow for less tokens to be passed to the model, as well as better results.

[github-actions]

Score: 85

Improvements:

• Using `==` for string comparison in bash script is not safe, consider using `=` for portability.
• Variable naming could be more descriptive
• Code lacks comments for clarity

@@ -25,8 +25,13 @@ github::get_commit_diff() {
       }
 
       file=$(_jq '.filename')
       file_status=$(_jq '.status')
       exclude_file=false
 
       if [ "$file_status" = "removed" ]; then
         continue
       fi

       for ignore_file_pattern in $ignore_files_list; do
         if [[ $file = $ignore_file_pattern ]]; then
           exclude_file=true
         fi
       done