One plugin per dir.

plugin/someteam.example.com/v1/kvmaker/kvMaker.go

@@ -0,0 +1,25 @@
+package kvmaker
+
+var database = map[string]string{
+	"TREE":      "oak",
+	"ROCKET":    "Saturn V",
+	"FRUIT":     "apple",
+	"VEGETABLE": "carrot",
+	"SIMPSON":   "homer",
+}
+
+type plugin struct{}
+
+var KVSource plugin
+
+func (p plugin) Get(
+	root string, args []string) (map[string]string, error) {
+	r := make(map[string]string)
+	for _, k := range args {
+		v, ok := database[k]
+		if ok {
+			r[k] = v
+		}
+	}
+	return r, nil
+}