Refactor Mikrotik model and update template structure

- Changed the parsing method in `NodeConfig` to use `parse()` instead of `parse_config()`.
- Updated the template loading path in `BaseDevice` to reflect the new directory structure.
- Enhanced the `Mikrotik` class with new methods for `system`, `interfaces`, and `vlans`, including debug print statements.
- Expanded the TTP template for Mikrotik to include structured variable definitions and groups for system, interfaces, and VLANs.

oxi/interfaces/models/mikrotik.py

@@ -1,11 +1,27 @@
+from typing import TYPE_CHECKING
 from oxi.interfaces import register_parser
 from oxi.interfaces.base import BaseDevice
 
+if TYPE_CHECKING:
+    from oxi.interfaces.contract import Interfaces, System, Vlans
+
 
 @register_parser(["routeros", "ros", "mikrotik"])
 class Mikrotik(BaseDevice):
     template = "mikrotik.ttp"
 
+    def system(self) -> "System":
+        print(self._raw["system"])
+        print("-" * 12)
+
+    def interfaces(self) -> "Interfaces":
+        print(f"{self._raw["interfaces"]=}")
+        print("-" * 12)
+
+    def vlans(self) -> list["Vlans"]:
+        print(f"{self._raw["vlans"]=}")
+        print("-" * 12)
+
 
 if __name__ == "__main__":
     mikr = Mikrotik()