Restructure solution layout by module

tools/PolicyDslValidator/Program.cs

@@ -1,56 +1,56 @@
-using StellaOps.Policy;
-
-if (args.Length == 0)
-{
-    Console.Error.WriteLine("Usage: policy-dsl-validator [--strict] [--json] <path-or-glob> [<path-or-glob> ...]");
-    Console.Error.WriteLine("Example: policy-dsl-validator --strict docs/examples/policies");
-    return 64; // EX_USAGE
-}
-
-var inputs = new List<string>();
-var strict = false;
-var outputJson = false;
-
-foreach (var arg in args)
-{
-    switch (arg)
-    {
-        case "--strict":
-        case "-s":
-            strict = true;
-            break;
-
-        case "--json":
-        case "-j":
-            outputJson = true;
-            break;
-
-        case "--help":
-        case "-h":
-        case "-?":
-            Console.WriteLine("Usage: policy-dsl-validator [--strict] [--json] <path-or-glob> [<path-or-glob> ...]");
-            Console.WriteLine("Example: policy-dsl-validator --strict docs/examples/policies");
-            return 0;
-
-        default:
-            inputs.Add(arg);
-            break;
-    }
-}
-
-if (inputs.Count == 0)
-{
-    Console.Error.WriteLine("No input files or directories provided.");
-    return 64; // EX_USAGE
-}
-
-var options = new PolicyValidationCliOptions
-{
-    Inputs = inputs,
-    Strict = strict,
-    OutputJson = outputJson,
-};
-
-var cli = new PolicyValidationCli();
-var exitCode = await cli.RunAsync(options, CancellationToken.None);
-return exitCode;
+using StellaOps.Policy;
+
+if (args.Length == 0)
+{
+    Console.Error.WriteLine("Usage: policy-dsl-validator [--strict] [--json] <path-or-glob> [<path-or-glob> ...]");
+    Console.Error.WriteLine("Example: policy-dsl-validator --strict docs/examples/policies");
+    return 64; // EX_USAGE
+}
+
+var inputs = new List<string>();
+var strict = false;
+var outputJson = false;
+
+foreach (var arg in args)
+{
+    switch (arg)
+    {
+        case "--strict":
+        case "-s":
+            strict = true;
+            break;
+
+        case "--json":
+        case "-j":
+            outputJson = true;
+            break;
+
+        case "--help":
+        case "-h":
+        case "-?":
+            Console.WriteLine("Usage: policy-dsl-validator [--strict] [--json] <path-or-glob> [<path-or-glob> ...]");
+            Console.WriteLine("Example: policy-dsl-validator --strict docs/examples/policies");
+            return 0;
+
+        default:
+            inputs.Add(arg);
+            break;
+    }
+}
+
+if (inputs.Count == 0)
+{
+    Console.Error.WriteLine("No input files or directories provided.");
+    return 64; // EX_USAGE
+}
+
+var options = new PolicyValidationCliOptions
+{
+    Inputs = inputs,
+    Strict = strict,
+    OutputJson = outputJson,
+};
+
+var cli = new PolicyValidationCli();
+var exitCode = await cli.RunAsync(options, CancellationToken.None);
+return exitCode;