feat(const): add ACTOR_PERMISSION_LEVEL (#516)

Part of the [Actor permissions
project](https://www.notion.so/apify/Public-Actor-permissions-design-document-1d1f39950a228015a679f276104123cb).

Adding the new enum to shared packages so that it can be referenced from
the Apify client.

Author: tobice

packages/consts/src/consts.ts

@@ -673,3 +673,30 @@ export const RUN_GENERAL_ACCESS = {
 } as const;
 
 export type RUN_GENERAL_ACCESS = ValueOf<typeof RUN_GENERAL_ACCESS>
+
+/**
+ * Determines permissions that the Actor requires to run.
+ *
+ * Based on this value, the Apify platform generates a scoped run token with a corresponding permission scope and
+ * injects it into the Actor runtime.
+ *
+ * Warning: Make sure you know what you are doing when changing this value, in particular for public Actors!
+ */
+export const ACTOR_PERMISSION_LEVEL = {
+    /** Full permission Actors have access to all user data in the account. */
+    FULL_PERMISSIONS: 'FULL_PERMISSIONS',
+
+    /**
+     * Limited permission Actors have access only to specific resources:
+     * - default storages
+     * - storages provided via input
+     * - the current run
+     * - ...
+     *
+     * Broadly speaking, limited permission Actors cannot access any account data not related to the current run.
+     * For details refer to the Apify documentation.
+     */
+    LIMITED_PERMISSIONS: 'LIMITED_PERMISSIONS',
+};
+
+export type ACTOR_PERMISSION_LEVEL = ValueOf<typeof ACTOR_PERMISSION_LEVEL>;