Improved base pligin implementation

src/plugins/dto/manifest_meta.py

@@ -0,0 +1,19 @@
+# Python imports
+from dataclasses import dataclass, field
+from dataclasses import asdict
+
+# Gtk imports
+
+# Application imports
+from .manifest import Manifest
+
+
+
+@dataclass
+class ManifestMeta:
+    folder: str        = ""
+    path: str          = ""
+    manifest: Manifest = field(default_factory = lambda: Manifest())
+
+    def as_dict(self):
+        return asdict(self)