make improvements to dashboards and logic of trading script

grafana/provisioning/dashboards/all.yaml

@@ -0,0 +1,12 @@
+apiVersion: 1
+
+providers:
+  - name: 'fs'
+    orgId: 1
+    folder: ''
+    type: 'file'
+    updateIntervalSeconds: 30
+    allowUiUpdates: true
+    options:
+      path: '/var/lib/grafana/dashboards'
+      foldersFromFilesStructure: true

grafana/provisioning/datasources/all.yaml

@@ -0,0 +1,17 @@
+apiVersion: 1
+
+datasources:
+  - name: postgres
+    type: postgres
+    url: trader_postgres:5432
+    database: trader
+    user: trader
+    secureJsonData:
+      password: "trader"
+    jsonData:
+      sslmode: "disable"
+      maxOpenConns: 0
+      maxIdleConns: 2
+      connMaxLifetime: 14400
+      postgresVersion: 906
+      timescaledb: false