feat: add lab-rv32i-freertos-isr-drivers card

scripts/test_host.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env sh
+set -e
+cxx=c++
+if [ -n "$CXX_HOST" ]; then cxx=$CXX_HOST; fi
+build_dir=host-build
+if [ -n "$1" ]; then build_dir=$1; fi
+mkdir -p "$build_dir"
+$cxx -std=c++17 -Wall -Wextra -Werror -pedantic \
+  -fsanitize=address,undefined -fno-omit-frame-pointer \
+  -Itests/host-shim -Iinclude tests/isr_drivers_host.cpp \
+  -o "$build_dir/isr_drivers_host"
+ASAN_OPTIONS=detect_leaks=1 "$build_dir/isr_drivers_host"
+echo "PASS host: explicit FromISR views, drop-newest and one accumulated yield"