Add currency settings, Settings service, and dialog to select fiat currency. Add support for non Official currencies like DOGE when using rates.

src/cli/autocomplete/completions.ts

@@ -37,6 +37,7 @@ import { homedir } from "node:os";
  * - template.ts: import, list, inspect, set-default
  * - invitation.ts: create, append, sign, broadcast, requirements, import, inspect, list
  * - resource.ts: list, unreserve, unreserve-all
+ * - settings.ts: show, get, set
  */
 
 /** Subcommands for the mnemonic command */
@@ -56,6 +57,8 @@ const INVITATION_SUBS = [
 ];
 /** Subcommands for the resource command */
 const RESOURCE_SUBS = ["list", "unreserve", "unreserve-all"];
+/** Subcommands for the settings command */
+const SETTINGS_SUBS = ["show", "get", "set"];
 /** Subcommands for the completions command */
 const COMPLETIONS_SUBS = ["bash", "zsh", "fish"];
 
@@ -65,6 +68,7 @@ export const COMMAND_TREE = {
   invitation: INVITATION_SUBS,
   receive: [],
   resource: RESOURCE_SUBS,
+  settings: SETTINGS_SUBS,
   help: [],
   completions: COMPLETIONS_SUBS,
 } as const;
@@ -77,6 +81,7 @@ const GLOBAL_OPTIONS = [
   "--verbose",
   "-m",
   "--mnemonic-file",
+  "--currency",
   "-o",
   "--output",
 ];