Add filter, add READMES

backend_go/selection_queries/registry.go

@@ -0,0 +1,33 @@
+package selection_queries
+
+var definitions = []Definition{
+	{
+		Meta: Meta{ID: "neighbors", Label: "Neighbors"},
+		Run:  runNeighbors,
+	},
+	{
+		Meta: Meta{ID: "superclasses", Label: "Superclasses"},
+		Run:  runSuperclasses,
+	},
+	{
+		Meta: Meta{ID: "subclasses", Label: "Subclasses"},
+		Run:  runSubclasses,
+	},
+}
+
+func List() []Meta {
+	out := make([]Meta, 0, len(definitions))
+	for _, d := range definitions {
+		out = append(out, d.Meta)
+	}
+	return out
+}
+
+func Get(id string) (Definition, bool) {
+	for _, d := range definitions {
+		if d.Meta.ID == id {
+			return d, true
+		}
+	}
+	return Definition{}, false
+}