Add templates, tests, and miscellaneous project files

Includes new page templates (fitness-gym, nonprofit, online-course,
photography-studio, real-estate, startup-company, travel-blog,
wedding-invitation) with thumbnail SVGs, test specs, documentation
files, and minor updates to index.html, router.php, and playwright config.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

tests/debug-media-blocks.spec.js

@@ -0,0 +1,46 @@
+const { test, expect } = require('@playwright/test');
+const { waitForEditor } = require('./helpers');
+
+test.describe('Debug Media Category Blocks', () => {
+    test('investigate what blocks are in Media category', async ({ page }) => {
+        await waitForEditor(page);
+
+        // Check all registered blocks via the GrapesJS API
+        const blockManagerInfo = await page.evaluate(() => {
+            const editor = window.editor;
+            if (!editor) return { error: 'No editor found' };
+
+            const blockManager = editor.BlockManager;
+            const allBlocks = blockManager.getAll();
+
+            const blockInfo = allBlocks.map(block => {
+                const cat = block.get('category');
+                return {
+                    id: block.id,
+                    label: block.get('label'),
+                    category: typeof cat === 'string' ? cat : (cat && cat.id),
+                };
+            });
+
+            const mediaBlocks = blockInfo.filter(b => b.category === 'Media');
+
+            return {
+                totalBlocks: allBlocks.length,
+                blocks: blockInfo,
+                mediaBlocks: mediaBlocks
+            };
+        });
+
+        console.log('Total blocks registered:', blockManagerInfo.totalBlocks);
+        console.log('Media category blocks:', JSON.stringify(blockManagerInfo.mediaBlocks, null, 2));
+
+        // Verify we have at least 3 media blocks
+        expect(blockManagerInfo.mediaBlocks.length).toBeGreaterThanOrEqual(3);
+
+        // Verify expected blocks are present
+        const mediaIds = blockManagerInfo.mediaBlocks.map(b => b.id);
+        expect(mediaIds).toContain('image-block');
+        expect(mediaIds).toContain('video-block');
+        expect(mediaIds).toContain('file-embed');
+    });
+});