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

src/yang/__init__.py

@@ -6,18 +6,18 @@ managing Arista EVPN-VXLAN fabrics via gNMI.
 """
 
 from .paths import (
+    BGP,
+    EVPN,
+    MLAG,
+    VXLAN,
+    AfiSafi,
+    FabricSubscriptions,
     Interfaces,
     Loopbacks,
-    VLANs,
-    BGP,
-    AfiSafi,
-    VXLAN,
-    MLAG,
-    EVPN,
     PortChannel,
-    System,
     SubscriptionPath,
-    FabricSubscriptions,
+    System,
+    VLANs,
 )
 
 __all__ = [