Database implementation of Resource Group children with association table

Signed-off-by: Stefan van Ieperen <stefan@tweedegolf.com>

Author: stefanvi

migrations/20260408082754_resource_groups.sql

@@ -0,0 +1,24 @@
+-- Add migration script here
+create table resource_group
+(
+    id                     text        not null
+        constraint resource_group_pk
+            primary key,
+    created_date_time      timestamptz not null,
+    modification_date_time timestamptz not null,
+    resource_group_name    text        not null,
+    attributes             jsonb,
+    targets                text[] not null default '{}'
+);
+
+create table rg_child_ven_resource
+(
+    rg_parent_rg_id text not null references resource_group (id) on delete cascade,
+    rg_child_ven_resource_id text not null references resource (id) on delete cascade
+);
+
+create table rg_child_rg
+(
+    rg_parent_rg_id text not null references resource_group (id) on delete cascade,
+    rg_child_rg_id text not null references resource_group (id) on delete cascade
+);

openleadr-vtn/src/api/resource_group.rs

@@ -195,8 +195,6 @@ pub async fn delete(
 pub struct QueryParams {
     #[validate(length(min = 1, max = 128))]
     pub(crate) resource_group_name: Option<String>,
-    #[serde(rename = "venID")]
-    pub(crate) ven_id: Option<VenId>,
     pub(crate) targets: TargetQueryParams,
     #[serde(default)]
     #[validate(range(min = 0))]