Implemented new Permission system on the DB side.

ref #22

src/models/enums/PermissionTargets.ts

@@ -0,0 +1,8 @@
+export enum PermissionTarget {
+    RUNNER = 'RUNNER',
+    ORGANISATION = 'RUNNERORGANISATION',
+    TEAM = 'RUNNERTEAM',
+    TRACK = 'TRACK',
+    USER = 'USER',
+    GROUP = 'USERGROUP'
+}