add metrics page

commafeed-client/src/components/metrics/Meter.tsx

@@ -0,0 +1,19 @@
+import { Box } from "@mantine/core"
+import { MetricMeter } from "app/types"
+
+interface MeterProps {
+    meter: MetricMeter
+}
+
+export function Meter(props: MeterProps) {
+    return (
+        <Box>
+            <Box>Mean: {props.meter.mean_rate.toFixed(2)}</Box>
+            <Box>Last minute: {props.meter.m1_rate.toFixed(2)}</Box>
+            <Box>Last 5 minutes: {props.meter.m5_rate.toFixed(2)}</Box>
+            <Box>Last 15 minutes: {props.meter.m15_rate.toFixed(2)}</Box>
+            <Box>Units: {props.meter.units}</Box>
+            <Box>Total: {props.meter.count}</Box>
+        </Box>
+    )
+}