Show both books on About with matching covers and downloads.

The section mixed Structure Before Crisis art with the Community Rules booklet; pairing each title to its own cover and PDF, and cropping the Figma cover padding, keeps the two cards consistent.

Co-authored-by: Cursor <cursoragent@cursor.com>

messages/en/pages/about.json

@@ -1,5 +1,5 @@
 {
-  "_comment": "About page content. Book download href is wired in app/(marketing)/about/page.tsx via governanceBookletPath().",
+  "_comment": "About page content. Book download hrefs are wired in app/(marketing)/about/page.tsx (structureBeforeCrisisPath / governanceBookletPath).",
   "aboutHeader": {
     "segments": [
       { "type": "word", "text": "CommunityRule" },
@@ -69,11 +69,17 @@
       }
     ]
   },
-  "book": {
+  "structureBeforeCrisis": {
+    "title": "Get Structure Before Crisis",
+    "description": "Structure Before Crisis is a collection of organizing patterns that help mutual aid groups lay the groundwork to build new worlds.",
+    "buttonText": "Download Book",
+    "imageAlt": "Structure Before Crisis book cover"
+  },
+  "communityRules": {
     "title": "Get the Community Rules Book",
     "description": "Community Rules is a simple tool to help make great communities even better and healthier. It includes nine templates for organizational structures that communities can choose from, combine, or react against.",
     "buttonText": "Download Book",
-    "imageAlt": "Structure Before Crisis book cover"
+    "imageAlt": "Community Rules book cover"
   },
   "faq": {
     "title": "Get answers to your questions",