chore: add word on limits in the rest api

.vscode/settings.json

@@ -1,5 +1,11 @@
 {
 	"javascript.validate.enable": false,
 	"typescript.validate.enable": false,
-	"eslint.validate": ["javascript", "javascriptreact"]
+	"eslint.validate": [
+		"javascript",
+		"javascriptreact"
+	],
+	"cSpell.enableFiletypes": [
+		"mdx"
+	]
 }

src/rest-api/rest-api.mdx

@@ -121,6 +121,7 @@ To keep our API available to as many of you as possible, we introduced rate limi
 
 There is a budget for both a project and endpoints.
 Each endpoint has a price assigned and it might be higher for the endpoints that impose more stress on the system.
+The limit is usually 500 requests per 30 minutes for each endpoint.
 
 To get information about your usage of the Smartlook REST API you can call `/api/statistics` endpoint.
 To extend limits for your projects please contact the Smartlook support.