feat(dev-infra): standard CLI commands using yargs (#36326)

Creates a standard model for CLI commands provided by ng-dev.
Allows for us to have any of the tools/scripts extend to be
included in the ng-dev command, or be standalone using the same
yargs parser.

PR Close #36326

dev-infra/commit-message/BUILD.bazel

@@ -4,15 +4,19 @@ load("@npm_bazel_typescript//:index.bzl", "ts_library")
 ts_library(
     name = "commit-message",
     srcs = [
+        "cli.ts",
         "config.ts",
         "validate.ts",
+        "validate-file.ts",
     ],
     module_name = "@angular/dev-infra-private/commit-message",
     visibility = ["//dev-infra:__subpackages__"],
     deps = [
         "//dev-infra/utils:config",
         "@npm//@types/node",
+        "@npm//@types/yargs",
         "@npm//tslib",
+        "@npm//yargs",
     ],
 )