add dockerfile

Dockerfile

@@ -0,0 +1,14 @@
+# This file was partly made with chatgpt & claude LLMS
+FROM ubuntu:18.04
+
+RUN apt-get update && apt-get install -y \
+     gawk wget git-core diffstat unzip texinfo gcc-multilib \
+     build-essential chrpath socat cpio python python3 python3-pip python3-pexpect \
+     xz-utils debianutils iputils-ping
+
+RUN useradd -ms /bin/bash yocto
+USER yocto
+WORKDIR /home/yocto
+
+
+CMD ["/bin/bash"]