Update pyproject.toml

Author: AlexPetul

pyproject.toml

@@ -5,7 +5,7 @@ build-backend = "setuptools.build_meta"
 [project]
 name = "django_custom_jsonfield"
 license = {text = "MIT"}
-description = "Custom"
+description = "An extended JSON field for Django and DRF with validation support using jsonschema."
 requires-python = ">=3.8"
 version = "1.2"
 dependencies = [
@@ -75,4 +75,4 @@ precision = 2
 exclude_lines = [
     "pragma: no cover",
     "raise NotImplementedError",
-]
+]