Move Shared/ Subpackages Into Monitoring/ Folder (#9591)

* add tracing

* monitoring pkg

* move prom

* Add client stats

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>

monitoring/progress/BUILD.bazel

@@ -0,0 +1,12 @@
+load("@prysm//tools/go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = ["progress.go"],
+    importpath = "github.com/prysmaticlabs/prysm/monitoring/progress",
+    visibility = ["//visibility:public"],
+    deps = [
+        "@com_github_k0kubun_go_ansi//:go_default_library",
+        "@com_github_schollz_progressbar_v3//:go_default_library",
+    ],
+)

monitoring/progress/progress.go

@@ -0,0 +1,27 @@
+package progress
+
+import (
+	"fmt"
+
+	"github.com/k0kubun/go-ansi"
+	"github.com/schollz/progressbar/v3"
+)
+
+// InitializeProgressBar standard for use in Prysm.
+func InitializeProgressBar(numItems int, msg string) *progressbar.ProgressBar {
+	return progressbar.NewOptions(
+		numItems,
+		progressbar.OptionFullWidth(),
+		progressbar.OptionSetWriter(ansi.NewAnsiStdout()),
+		progressbar.OptionEnableColorCodes(true),
+		progressbar.OptionSetTheme(progressbar.Theme{
+			Saucer:        "[green]=[reset]",
+			SaucerHead:    "[green]>[reset]",
+			SaucerPadding: " ",
+			BarStart:      "[",
+			BarEnd:        "]",
+		}),
+		progressbar.OptionOnCompletion(func() { fmt.Println() }),
+		progressbar.OptionSetDescription(msg),
+	)
+}