Add eisenhower email organiser (#253)

* feat: add Eisenhower Email Organiser prebuilt card

- Added new eisenhower-email-organiser.json prebuilt workflow template
- Updated index.ts to include the new template in exports
- Template helps users organize emails using the Eisenhower Matrix (urgent/important quadrants)

* fix: update to American spelling - organizer instead of organiser

- Updated import statement to use 'eisenhower-email-organizer.json'
- Updated export key to 'Eisenhower Email Organizer'
- Maintains consistency with American English throughout the codebase

* change name of Tweet Assistant

* fix: remove duplicate file and fix American spelling in description

- Removed duplicate eisenhower-email-organiser.json (British spelling)
- Fixed description in eisenhower-email-organizer.json: 'Organises' → 'Organizes'
- Now only one file exists with consistent American spelling throughout

* fix: update Support category header in prebuilt cards UI

- Changed 'Customer Support' to 'Support' in build-assistant-section.tsx
- Now matches the category field in customer-support.json
- Ensures Support section displays properly in the prebuilt cards UI

apps/rowboat/app/projects/components/build-assistant-section.tsx

@@ -489,7 +489,7 @@ export function BuildAssistantSection() {
                                     const workTemplates = templates.filter((t) => (t.category || '').toLowerCase() === 'work productivity');
                                     const devTemplates = templates.filter((t) => (t.category || '').toLowerCase() === 'developer productivity');
                                     const newsTemplates = templates.filter((t) => (t.category || '').toLowerCase() === 'news & social');
-                                    const customerSupportTemplates = templates.filter((t) => (t.category || '').toLowerCase() === 'customer support');
+                                    const customerSupportTemplates = templates.filter((t) => (t.category || '').toLowerCase() === 'support');
 
                                     const renderGrid = (items: any[]) => (
                                         <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-4">
@@ -593,7 +593,7 @@ export function BuildAssistantSection() {
                                                 <div>
                                                     <div className="mb-3">
                                                         <span className="inline-flex items-center px-2.5 py-1 rounded-full text-xs font-semibold bg-red-50 text-red-700 ring-1 ring-red-200 dark:bg-red-400/10 dark:text-red-300 dark:ring-red-400/30">
-                                                            Customer Support
+                                                            Support
                                                         </span>
                                                     </div>
                                                     {renderGrid(customerSupportTemplates)}