add thumbnails for transactio topics

Author: jrakibi

decoding/marker-flag.mdx

@@ -7,7 +7,10 @@ category: Transactions
 layout: TopicBanner
 order: 3.2
 icon: "FaClipboardList"
-images: ["/bitcoin-topics/static/images/topics/thumbnails/musig-thumbnail.webp"]
+images:
+    [
+        "/bitcoin-topics/static/images/topics/thumbnails/transaction-module/tx-marker-flag.webp"
+    ]
 parent: "transaction-structure"
 ---
 

decoding/roadmap.mdx

@@ -7,7 +7,10 @@ category: Transactions
 layout: TopicBanner
 order: 0
 icon: "FaClipboardList"
-images: ["/bitcoin-topics/static/images/topics/thumbnails/musig-thumbnail.webp"]
+images:
+    [
+        "/bitcoin-topics/static/images/topics/thumbnails/transaction-module/tx-roadmap.webp"
+    ]
 ---
 
 <div className="full-width">

decoding/transaction-creation.mdx

@@ -7,7 +7,10 @@ category: Transactions
 layout: TopicBanner
 order: 5
 icon: "FaClipboardList"
-images: ["/bitcoin-topics/static/images/topics/thumbnails/musig-thumbnail.webp"]
+images:
+    [
+        "/bitcoin-topics/static/images/topics/thumbnails/transaction-module/creating-tx.webp"
+    ]
 ---
 
 Alice wants to pay 5 BTC to Bob for a digital item.  

decoding/transaction-lifecycle.mdx

@@ -7,7 +7,10 @@ category: Transactions
 layout: TopicBanner
 order: 1
 icon: "FaClipboardList"
-images: ["/bitcoin-topics/static/images/topics/thumbnails/musig-thumbnail.webp"]
+images:
+    [
+        "/bitcoin-topics/static/images/topics/thumbnails/transaction-module/tx-lifecycle.webp"
+    ]
 ---
 
 Watch how a Bitcoin transaction moves through the network, from creation to confirmation:

decoding/transaction-signing.mdx

@@ -7,7 +7,10 @@ category: Transactions
 layout: TopicBanner
 order: 7
 icon: "FaClipboardList"
-images: ["/bitcoin-topics/static/images/topics/thumbnails/musig-thumbnail.webp"]
+images:
+    [
+        "/bitcoin-topics/static/images/topics/thumbnails/transaction-module/signing-tx.webp"
+    ]
 ---
 
 After creating her transaction, Alice has all the essential parts in place:

decoding/transaction-structure.mdx

@@ -7,7 +7,10 @@ category: Transactions
 layout: TopicBanner
 order: 2
 icon: "FaClipboardList"
-images: ["/bitcoin-topics/static/images/topics/thumbnails/musig-thumbnail.webp"]
+images:
+    [
+        "/bitcoin-topics/static/images/topics/thumbnails/transaction-module/tx-component.webp"
+    ]
 children:
     - version
     - marker-flag

decoding/utxo.mdx

@@ -7,7 +7,10 @@ category: Transactions
 layout: TopicBanner
 order: 3
 icon: "FaClipboardList"
-images: ["/bitcoin-topics/static/images/topics/thumbnails/musig-thumbnail.webp"]
+images:
+    [
+        "/bitcoin-topics/static/images/topics/thumbnails/transaction-module/utxo-accountmodel.webp"
+    ]
 ---
 
 <div className="dark:hidden w-full rounded-lg">

decoding/version.mdx

@@ -7,7 +7,10 @@ category: Transactions
 layout: TopicBanner
 order: 3.1
 icon: "FaClipboardList"
-images: ["/bitcoin-topics/static/images/topics/thumbnails/musig-thumbnail.webp"]
+images:
+    [
+        "/bitcoin-topics/static/images/topics/thumbnails/transaction-module/tx-version.webp"
+    ]
 parent: "transaction-structure"
 ---