Update Jenkinsfile for improved dependency installation and set license to MIT in pyproject.toml; add requirements_dev.txt for development dependencies

Jenkinsfile

@@ -14,7 +14,7 @@ pipeline {
         stage('Setup Python') {
             steps {
                 sh 'python3.13 -m venv venv'  // Create a virtual environment
-                sh '. venv/bin/activate && pip install --upgrade pip build twine'
+                sh '. venv/bin/activate && python -m pip install --upgrade pip && pip install --upgrade build twine && pip install -r requirements_dev.txt'
             }
         }