Add H3C parse:

- Add h3c.py with basemodel parser
- Add ttp template for h3c

oxi/interfaces/models/h3c.py

@@ -0,0 +1,22 @@
+from oxi.interfaces import BaseDevice, register_parser
+
+
+@register_parser("h3c")
+class H3C(BaseDevice):
+    template = "h3c.ttp"
+
+    def vlans(self) -> list[dict]:
+        vlan_list = self.raw["vlans"]
+        vlans = []
+        for item in vlan_list:
+            if item.get("vlans_id"):
+                vlans.extend([{'vlan_id': vln }for vln in item.get("vlans_id")])
+            else:
+                vlans.append(item)
+        return vlans
+
+if __name__ == "__main__":
+    with open("./test5.txt") as file:
+        data = file.read()
+    h3c = H3C(data)
+    print(h3c.parse())