feat: notifications core #6104

Job	Run time
Install E2E dependencies ⬇️	1m 54s
Ktlint 🪲	1m 32s
Build backend 🏗️	5m 20s
E2E Static Check 🪲	32s
Build frontend 🏗️	2m 49s
Frontend static check 🪲	1m 18s
BT ‍🔎 (server-app:runContextRecreatingTests)	6m 51s
E2E testing ‍🔎 (15, 0)	4m 24s
BT ‍🔎 (server-app:runStandardTests)	11m 47s
E2E testing ‍🔎 (15, 1)	5m 48s
BT ‍🔎 (server-app:runWebsocketTests)	5m 24s
E2E testing ‍🔎 (15, 2)	6m 6s
BT ‍🔎 (ee-test:test)	3m 49s
E2E testing ‍🔎 (15, 3)	5m 49s
BT ‍🔎 (data:test)	2m 20s
E2E testing ‍🔎 (15, 4)	5m 20s
BT ‍🔎 (security:test)	2m 21s
E2E testing ‍🔎 (15, 5)	5m 44s
E2E testing ‍🔎 (15, 6)	7m 8s
E2E testing ‍🔎 (15, 7)	6m 35s
E2E testing ‍🔎 (15, 8)	4m 12s
E2E testing ‍🔎 (15, 9)	6m 15s
E2E testing ‍🔎 (15, 10)	5m 17s
E2E testing ‍🔎 (15, 11)	5m 0s
E2E testing ‍🔎 (15, 12)	4m 3s
E2E testing ‍🔎 (15, 13)	4m 48s
E2E testing ‍🔎 (15, 14)	4m 52s
	2h 7m 18s

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