docs(api): update swagger docs with field descriptions and operationId rename

- Add minimum: 0 validation to LogRetention properties (days, keep_size, last)
- Add "interned" descriptions to fstype, path, and name fields
- Rename operationId and x-id from "routes" to "list" for GET /route endpoint

internal/api/v1/route/list.go

@@ -15,7 +15,7 @@ import (
 
 type RouteType route.Route // @name Route
 
-// @x-id				"routes"
+// @x-id				"list"
 // @BasePath		/api/v1
 // @Summary		List routes
 // @Description	List routes