Add redis (live layers)

Add base for geo_api (WIP)

src/gisaf/models/geo_models_base.py

@@ -305,7 +305,7 @@ class GeoModel(Model):
     It can be overridden with the with_related parameter when calling get_df.
     """
 
-    z_index: ClassVar[int] = 450
+    z_index: ClassVar[int] = 450 # Field(450, alias='zIndex')
     """
     z-index for the leaflet layer.
     Should be between 400 and 500.
@@ -742,6 +742,13 @@ class GeoModel(Model):
     def get_attachment_base_dir(cls):
         return Path(conf.attachments['base_dir'])/cls.get_attachment_dir()
 
+class LiveGeoModel(GeoModel):
+    store: ClassVar[str]
+    group: ClassVar[str] ='Live'
+    custom: ClassVar[bool] = True
+    is_live: ClassVar[bool] = True
+    is_db: ClassVar[bool] = False
+
 class Geom(str):
     pass