adr: add product metrics by each services on grafana

Signed-off-by: Victor Login <batazor111@gmail.com>

docs/architecture/decisions/0008-product-metrics-by-services.md

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+# 8. product-metrics-by-services
+
+Date: 2022-12-19
+
+## Status
+
+Accepted
+
+## Context
+
+We want to know product metrics by each services.
+
+## Decision
+
+We made grafana dashboard for product-metrics by each services.
+
+## Consequences
+
+1. Requirements dashboard
+    1. No functional
+        1. Production
+            1. Rps/tps/latency
+        2. Persistency
+            1. SLA/RTO/RPO
+        3. Security
+            1. PCI DSS/internal/external
+        4. Compliance
+            1. GDPR/ФЗ 152/KYC-ALM
+    2. Functional