Added django admin module to manage instance policies

api/funkwhale_api/moderation/admin.py

@@ -0,0 +1,30 @@
+from funkwhale_api.common import admin
+
+from . import models
+
+
+@admin.register(models.InstancePolicy)
+class InstancePolicyAdmin(admin.ModelAdmin):
+    list_display = [
+        "actor",
+        "target_domain",
+        "target_actor",
+        "creation_date",
+        "block_all",
+        "reject_media",
+        "silence_activity",
+        "silence_notifications",
+    ]
+    list_filter = [
+        "block_all",
+        "reject_media",
+        "silence_activity",
+        "silence_notifications",
+    ]
+    search_fields = [
+        "actor__fid",
+        "target_domain__name",
+        "target_domain__actor__fid",
+        "summary",
+    ]
+    list_select_related = True