Add Crystal 1.7.0 (#4569)

etc/config/crystal.amazon.properties

@@ -1,7 +1,7 @@
 compilers=&crystal
-defaultCompiler=crystal162
+defaultCompiler=crystal170
 
-group.crystal.compilers=crystal162:crystal151:crystal141:crystal132:crystal122:crystal11:crystal10:crystal036:crystal035:crystal034:crystal033:crystal032:crystal031:crystal030:crystal029
+group.crystal.compilers=crystal170:crystal162:crystal151:crystal141:crystal132:crystal122:crystal11:crystal10:crystal036:crystal035:crystal034:crystal033:crystal032:crystal031:crystal030:crystal029
 group.crystal.isSemVer=true
 group.crystal.baseName=Crystal
 group.crystal.groupName=Crystal x86-64
@@ -11,8 +11,11 @@ group.crystal.compilerType=crystal
 group.crystal.objdumper=/opt/compiler-explorer/gcc-snapshot/bin/objdump
 group.crystal.licenseLink=https://github.com/crystal-lang/crystal/blob/master/LICENSE
 group.crystal.licenseName=Apache 2
-group.crystal.licensePreamble=Copyright 2012-2022 Manas Technology Solutions.
+group.crystal.licensePreamble=Copyright 2012-2023 Manas Technology Solutions.
 
+compiler.crystal170.semver=1.7.0
+compiler.crystal170.exe=/opt/compiler-explorer/crystal-1.7.0/bin/crystal
+compiler.crystal170.cc=/opt/compiler-explorer/gcc-snapshot/bin/gcc
 compiler.crystal162.semver=1.6.2
 compiler.crystal162.exe=/opt/compiler-explorer/crystal-1.6.2/bin/crystal
 compiler.crystal162.cc=/opt/compiler-explorer/gcc-snapshot/bin/gcc