chore: add build script

build.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+BUILD_DIR=./build/
+TARGET=all
+
+while getopts "b:t:" option; do
+  case $option in
+  b) BUILD_DIR=$OPTARG ;;
+  t) TARGET=$OPTARG ;;
+  ?)
+    echo "Error: invalid option"
+    exit 1
+    ;;
+  esac
+done
+
+if [ ! -d "$BUILD_DIR" ]; then
+  mkdir "$BUILD_DIR"
+  if [ ! -d "$BUILD_DIR" ]; then
+    echo "Error: could not create folder '$BUILD_DIR'"
+    exit 1
+  fi
+fi
+
+cmake -S . -B "$BUILD_DIR"
+cmake --build "$BUILD_DIR" --target "$TARGET"