feat: Add installation verification script

- Add test_installation.py to verify package installation
- Test imports of key components
- Display package version and imported modules

Co-Authored-By: Joe Moura <joao@crewai.com>

test_installation.py

@@ -0,0 +1,21 @@
+"""
+Test script to verify email_processor package installation and imports.
+"""
+from email_processor import (
+    EmailAnalysisCrew,
+    ResponseCrew,
+    GmailTool,
+    EmailTool,
+    __version__
+)
+
+def test_package_installation():
+    print(f"Email Processor Package Version: {__version__}")
+    print("Successfully imported all components:")
+    print(f" - {EmailAnalysisCrew.__name__}")
+    print(f" - {ResponseCrew.__name__}")
+    print(f" - {GmailTool.__name__}")
+    print(f" - {EmailTool.__name__}")
+
+if __name__ == "__main__":
+    test_package_installation()