fix(types): add workspace module shims

src/types/create-markdown-preview.d.ts

@@ -0,0 +1,7 @@
+declare module "@create-markdown/preview" {
+  export type PreviewThemeOptions = {
+    sanitize?: ((html: string) => string) | undefined;
+  };
+
+  export function applyPreviewTheme(html: string, options?: PreviewThemeOptions): string;
+}

src/types/microsoft-teams-sdk.d.ts

@@ -0,0 +1,40 @@
+declare module "@microsoft/teams.apps" {
+  export class App {
+    constructor(options: { clientId: string; clientSecret: string; tenantId?: string });
+
+    getBotToken(): Promise<{ toString(): string } | null>;
+    getAppGraphToken(): Promise<{ toString(): string } | null>;
+  }
+}
+
+declare module "@microsoft/teams.api" {
+  export class Client {
+    constructor(
+      serviceUrl: string,
+      options?: {
+        token?: (() => Promise<string | undefined>) | undefined;
+        headers?: Record<string, string> | undefined;
+      },
+    );
+
+    conversations: {
+      activities: (conversationId: string) => {
+        create: (activity: Record<string, unknown>) => Promise<unknown>;
+      };
+    };
+  }
+}
+
+declare module "@microsoft/teams.apps/dist/middleware/auth/jwt-validator.js" {
+  export function createServiceTokenValidator(
+    appId: string,
+    tenantId?: string,
+  ): {
+    validateAccessToken(
+      token: string,
+      options?: {
+        validateServiceUrl?: { expectedServiceUrl: string } | undefined;
+      },
+    ): Promise<unknown>;
+  };
+}