Add missing benchmarks build.bat.

tests/benchmark/build.bat

@@ -0,0 +1,13 @@
+@echo off
+set COMMON=-no-bounds-check -vet -strict-style
+set PATH_TO_ODIN==..\..\odin
+
+echo ---
+echo Running core:crypto benchmarks
+echo ---
+%PATH_TO_ODIN% test crypto %COMMON% -o:speed -out:bench_crypto.exe || exit /b
+
+echo ---
+echo Running core:hash benchmarks
+echo ---
+%PATH_TO_ODIN% test hash %COMMON% -o:speed -out:bench_hash.exe || exit /b