Add arm as a compile target

ci/script.bash

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+set -ex
+
+# Incorporate TARGET env var to the build and test process
+cargo build --target "$TARGET" --verbose
+
+# We cannot run arm executables on linux
+if [[ $TARGET != arm-unknown-linux-gnueabihf ]]; then
+    cargo test --target "$TARGET" --verbose
+
+    # Run 'bat' on its own source code and the README
+    cargo run --target "$TARGET" -- src/main.rs README.md --paging=never
+fi