Complete skeleton dispatcher

- Complete the dispatcher for the 'introducer' and 'local' command. This
  is currently only a skeleton.
- The 'introducer list' command is added.

src/cli/cli_args.rs

@@ -24,7 +24,7 @@ pub struct CliArgs {
 pub enum HuskSubcommands {
     Daemon(DaemonCommand),
     Introducer(IntroducerCommand),
-    Local,
+    Local(LocalCommand),
 }
 
 // Daemon subcommands
@@ -62,10 +62,10 @@ pub enum DaemonSubcommand {
 )]
 pub struct IntroducerCommand {
     #[clap(subcommand)]
-    pub subcommand: IntroducerSubcommands,
+    pub subcommand: IntroducerSubcommand,
 }
 #[derive(Debug, Subcommand)]
-pub enum IntroducerSubcommands {
+pub enum IntroducerSubcommand {
     Add(IntroducerAddCommand),
     Remove(IntroducerRemoveCommand),
     List
@@ -105,3 +105,52 @@ pub struct IntroducerRemoveCommand {
     )]
     pub cert: String,
 }
+
+// Local subcommands
+
+#[derive(Parser, Debug)]
+#[clap(
+    name = "local",
+    about = "Manage manually added certificates.",
+    subcommand_required = true,
+    arg_required_else_help = true,
+    disable_colored_help = true,
+    disable_version_flag = true,
+)]
+pub struct LocalCommand {
+    #[clap(subcommand)]
+    pub subcommand: LocalSubcommand,
+}
+#[derive(Debug, Subcommand)]
+pub enum LocalSubcommand {
+    Add(LocalAddCommand),
+    Remove(LocalRemoveCommand),
+    List
+}
+
+#[derive(Parser, Debug)]
+#[clap(
+    name = "local_add",
+    about = "Add an authenticated certificate.",
+)]
+pub struct LocalAddCommand {
+    #[clap(
+        long = "cert",
+        help = "Certificate to add."
+    )]
+    pub cert: String,
+}
+
+#[derive(Parser, Debug)]
+#[clap(
+    name = "local_remove",
+    about = "Certificate to remove.",
+)]
+pub struct LocalRemoveCommand {
+    #[clap(
+        long = "cert",
+        help = "Certificate to removed."
+    )]
+    pub cert: String,
+}
+