Rename CLI and ExecutableCLI folders (#635)

## Motivation and Context
This is an extension of #603 to cleanup the folder structure and have it
match with the new library and target names.

Package.swift

@@ -71,7 +71,7 @@ let package = Package(
                 "ContainerClient",
                 "ContainerCommands",
             ],
-            path: "Sources/ExecutableCLI"
+            path: "Sources/CLI"
         ),
         .target(
             name: "ContainerCommands",
@@ -90,7 +90,7 @@ let package = Package(
                 "ContainerVersion",
                 "TerminalProgress",
             ],
-            path: "Sources/CLI"
+            path: "Sources/ContainerCommands"
         ),
         .executableTarget(
             name: "container-apiserver",

Sources/ContainerCommands/System/Property/PropertyClear.swift

@@ -21,8 +21,10 @@ import ContainerizationError
 import Foundation
 
 extension Application {
-    struct PropertyClear: AsyncParsableCommand {
-        static let configuration = CommandConfiguration(
+    public struct PropertyClear: AsyncParsableCommand {
+        public init() {}
+
+        public static let configuration = CommandConfiguration(
             commandName: "clear",
             abstract: "Clear a property value"
         )
@@ -33,7 +35,7 @@ extension Application {
         @Argument(help: "the property ID")
         var id: String
 
-        func run() async throws {
+        public func run() async throws {
             guard let key = DefaultsStore.Keys(rawValue: id) else {
                 throw ContainerizationError(.invalidArgument, message: "invalid property ID: \(id)")
             }

Sources/ContainerCommands/System/Property/PropertyGet.swift

@@ -21,8 +21,10 @@ import ContainerizationError
 import Foundation
 
 extension Application {
-    struct PropertyGet: AsyncParsableCommand {
-        static let configuration = CommandConfiguration(
+    public struct PropertyGet: AsyncParsableCommand {
+        public init() {}
+
+        public static let configuration = CommandConfiguration(
             commandName: "get",
             abstract: "Retrieve a property value"
         )
@@ -33,7 +35,7 @@ extension Application {
         @Argument(help: "the property ID")
         var id: String
 
-        func run() async throws {
+        public func run() async throws {
             let value = DefaultsStore.allValues()
                 .filter { id == $0.id }
                 .first

Sources/ContainerCommands/System/Property/PropertyList.swift

@@ -20,8 +20,10 @@ import ContainerPersistence
 import Foundation
 
 extension Application {
-    struct PropertyList: AsyncParsableCommand {
-        static let configuration = CommandConfiguration(
+    public struct PropertyList: AsyncParsableCommand {
+        public init() {}
+
+        public static let configuration = CommandConfiguration(
             commandName: "list",
             abstract: "List system properties",
             aliases: ["ls"]
@@ -36,7 +38,7 @@ extension Application {
         @OptionGroup
         var global: Flags.Global
 
-        func run() async throws {
+        public func run() async throws {
             let vals = DefaultsStore.allValues()
             try printValues(vals, format: format)
         }

Sources/ContainerCommands/System/Property/PropertySet.swift

@@ -23,8 +23,10 @@ import ContainerizationOCI
 import Foundation
 
 extension Application {
-    struct PropertySet: AsyncParsableCommand {
-        static let configuration = CommandConfiguration(
+    public struct PropertySet: AsyncParsableCommand {
+        public init() {}
+
+        public static let configuration = CommandConfiguration(
             commandName: "set",
             abstract: "Set a property value"
         )
@@ -38,7 +40,7 @@ extension Application {
         @Argument(help: "the property value")
         var value: String
 
-        func run() async throws {
+        public func run() async throws {
             guard let key = DefaultsStore.Keys(rawValue: id) else {
                 throw ContainerizationError(.invalidArgument, message: "invalid property ID: \(id)")
             }