feat(build): configure project tooling and update dependencies

- Replace placeholder deps with click, pygnmi, and rich for CLI functionality
- Add fabric-orch CLI entry point via project.scripts
- Configure hatchling as build backend with wheel/sdist targets
- Add ruff linter configuration for code quality
- Add dev dependency group with ruff
- Alphabetize yang module imports

pyproject.toml

@@ -5,6 +5,33 @@ description = "Declarative Network Fabric Orchestrator - Terraform-like infrastr
 readme = "README.md"
 requires-python = ">=3.12"
 dependencies = [
-    "dataclasses>=0.8",
-    "typing>=3.10.0.0",
+    "click>=8.1.0",
+    "pygnmi>=0.8.0",
+    "rich>=13.0.0",
+]
+
+[project.scripts]
+fabric-orch = "src.cli:main"
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[tool.hatch.build.targets.wheel]
+packages = ["src"]
+
+[tool.hatch.build.targets.sdist]
+include = ["src"]
+
+[tool.ruff]
+line-length = 100
+target-version = "py312"
+
+[tool.ruff.lint]
+select = ["E", "F", "I", "W"]
+ignore = ["E501"]
+
+[dependency-groups]
+dev = [
+    "ruff>=0.14.10",
 ]