Prepare Android controller and export support

scripts/build_android_debug.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+readonly SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
+readonly PROJECT_ROOT="$(cd -- "${SCRIPT_DIR}/.." && pwd)"
+readonly OUTPUT_PATH="${PROJECT_ROOT}/builds/android/NETfishing-debug.apk"
+readonly GODOT_BIN="${GODOT_BIN:-godot}"
+
+mkdir -p -- "$(dirname -- "${OUTPUT_PATH}")"
+
+"${GODOT_BIN}" \
+  --headless \
+  --path "${PROJECT_ROOT}" \
+  --export-debug "Android" \
+  "${OUTPUT_PATH}"
+
+test -s "${OUTPUT_PATH}"
+sha256sum "${OUTPUT_PATH}"