Add credibility and curriculum preview content to /gift page

Fills the space between the two signup forms so the repeated CTA
reads as intentional rather than an accidental duplicate.

content/gift/_index.md

@@ -1,6 +1,6 @@
 ---
 title: "Three Steps to Find the Readers Who Need Your Stories"
-description: "A free, no-fluff PDF for fiction authors: three concrete steps to find the readers who actually need your stories, instead of guessing and hoping."
+description: "Three simple steps for fiction authors to find the readers who actually need their stories, instead of guessing and hoping."
 type: "courses"
 eec_slug: "three-steps-find-your-right-readers"
 
@@ -13,6 +13,24 @@ hero_image: "/images/gift-cover.png"
 # Optional label on every "Send me day one" button across the page.
 cta_text: "Send me the PDF"
 
+# Optional "who's teaching this and why" section. Both fields are independently
+# optional — set either or both.
+credibility_heading: "Written by Will Estes, who's..."
+credibility_bullets:
+  - "Noticed that most advice on selling your book is marketing advice about hustling."
+  - "Believes that if there's one reader who needs your story, there's more than one. You just have to find them."
+
+# Optional curriculum preview.
+curriculum_heading: "Here's what's inside"
+curriculum_intro: "Three short steps, not another growth-hacking checklist."
+curriculum_items:
+  - label: "Step 1."
+    text: "Find the review that proves someone already needed your story."
+  - label: "Step 2."
+    text: "Thank that reader in a way every future reader can see."
+  - label: "Step 3."
+    text: "Share what they connected with so the next reader who needs it can find it."
+
 # Optional heading above the repeated signup form at the bottom of the page.
 repeat_cta_heading: "Ready to find the readers who need your stories?"