feat: Begins vault commands, adds nodes for rendering discussion documentation.

Sources/CliClient/CliClient.swift

@@ -17,6 +17,7 @@ public struct CliClient: Sendable {
   public var loadConfiguration: @Sendable () throws -> Configuration
   public var runCommand: @Sendable ([String], Bool, ShellCommand.Shell) async throws -> Void
   public var createConfiguration: @Sendable (_ path: String, _ json: Bool) throws -> Void
+  public var findVaultFileInCurrentDirectory: @Sendable () throws -> String
 
   public func runCommand(
     quiet: Bool,
@@ -95,6 +96,11 @@ extension CliClient: DependencyKey {
       }
 
       try fileClient.write(path, data)
+    } findVaultFileInCurrentDirectory: {
+      guard let url = try fileClient.findVaultFileInCurrentDirectory() else {
+        throw CliClientError.vaultFileNotFound
+      }
+      return path(for: url)
     }
   }
 
@@ -107,6 +113,7 @@ extension CliClient: DependencyKey {
 
 enum CliClientError: Error {
   case fileExistsAtPath(String)
+  case vaultFileNotFound
 }
 
 private let jsonEncoder: JSONEncoder = {