Changes pre-publish

Author: lwjglgamedev

.idea/misc.xml

@@ -16,7 +16,7 @@ We will use [LWJGL](http://www.lwjgl.org/) as the Java library which provides th
 > - New Vulkan functions (1.3)
 > - ...
 >
-> Therefore, Vulkan 1.3 is required. If you want to access previous version, just go the [legacy branch](https://github.com/lwjglgamedev/vulkanbook/tree/master).
+> Therefore, Vulkan 1.3 is required. If you want to access previous version, just go the [legacy branch](https://github.com/lwjglgamedev/vulkanbook/tree/legacy).
 
 ## Book Code
 

.idea/modules.xml

@@ -196,7 +196,6 @@ public void resize(VkCtx vkCtx, Attachment srcAttachment) {
         renderInfo.free();
         colorAttachment.cleanup(vkCtx);
         colorAttachmentInfo.free();
-        
         colorAttachment = createColorAttachment(vkCtx);
         colorAttachmentInfo = createColorAttachmentInfo(colorAttachment, clrValueColor);
         renderInfo = createRenderInfo(colorAttachment, colorAttachmentInfo);

.idea/vbook2.iml

@@ -165,6 +165,7 @@
         <module>chapter-17</module>
         <module>chapter-18</module>
         <module>chapter-20</module>
+        <module>chapter-21</module>
         <module>appendix-01</module>
         <module>appendix-02</module>
     </modules>