Add checksums for v12.2

Author: amadvance

CHECKSUMS

@@ -143,3 +143,6 @@ a037d16bb9d226da2c88df00e410f9e637f1acb6153ac078c9a3805e721282a6  snapraid-12.0-
 49337d9bafa96c2beac0125463bd22622be2fc00f3b4dee7e4b0e864d2a49661  snapraid-12.1.tar.gz
 23196a373b4c7a327a207f019ea833f888977f6e48743b0060706f67fbb1c13e  snapraid-12.1-windows-x64.zip
 488e3b57323fd55c1bccc14a051d4048a1a7b7b5d6440ece30b5161bda9f5498  snapraid-12.1-windows-x86.zip
+9d30993aef7fd390369dcaf422ac35f3990e8c91f0fb26151f5b84ccb73d3e01  snapraid-12.2.tar.gz
+1f08ee889b4e0d221267ad011cfbd6f3ebdf94a8809ba2b2d79dbb0751a7c06a  snapraid-12.2-windows-x64.zip
+daaccc71a2b2cf3d16d021d0c1f7db20e49fbaebea5cda6c301bf41bce8df073  snapraid-12.2-windows-x86.zip