Update main documentation

main/footer.js

@@ -1,7 +1,7 @@
 function writeHeader() {
-    document.write('Version 1.10.2-dev19');
+    document.write('Version 1.10.2-dev20');
 };
 
 function writeFooter()  {
-    document.write('Generated on Fri Jul 29 2022 05:14:08 for CMSIS-DSP 1.10.2-dev19+g6e95cfe. Copyright © 2022 Arm Limited (or its affiliates). All rights reserved.');
+    document.write('Generated on Tue Aug  2 2022 05:26:22 for CMSIS-DSP 1.10.2-dev20+g2bd5292. Copyright © 2022 Arm Limited (or its affiliates). All rights reserved.');
 };

version.js

@@ -1,6 +1,6 @@
 //--- list of versions ---
 const versions = {
-    "main": "1.10.2-dev19",
+    "main": "1.10.2-dev20",
     "latest": "1.10.1"
 }
 //--- list of versions ---