updated version and using pyproject solely

Author: codingmoh

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "ghost-in-the-shell"
-version = "0.1.1"
+version = "0.1.3"
 description = "CLI with OpenAI integration"
 readme = "README.md"
 requires-python = ">=3.11"
@@ -10,7 +10,7 @@ dependencies = [
 ]
 
 [project.scripts]
-ai = "ai_shell:main"
+ai = "main:main"
 
 [build-system]
 requires = ["setuptools", "wheel"]