Feat: Update readme file to mention local-dev dockerfile

Dockerfile

@@ -1,10 +1,12 @@
-FROM --platform=linux/arm64 alpine:3.20
+FROM alpine:3.20
 
 RUN apk add --no-cache gdb strace
  
 WORKDIR /challenge
 COPY main    ./main
-COPY license ./build/license
 RUN chmod +x ./main
 
-CMD ["/challenge/main"]
+COPY license ./license
+
+ 
+CMD ["/bin/sh"]

src/encryptor.c

@@ -109,6 +109,8 @@ int main(int argc, char** argv) {
     fprintf(f_readme, "This doesn't just run on any hardware, I don't know how they did it\n");
     fprintf(f_readme, "but it only works on my %s processor\n", hwinfo.model_name);
     fprintf(f_readme, "running linux (version %s) with %s kb of RAM\n", hwinfo.os_version, hwinfo.mem_total);
+    fprintf(f_readme, "I also included a dockerfile so you can run all that shi easier.\n");
+    fprintf(f_readme, "Just unzip that thang and run docker build . -t local-dev and then docker run -it local-dev in the folder you unzipped to.\n");
     fprintf(f_readme, "You'll find a way, slime. I'm sorry that I can't give you any more details\n");
     fprintf(f_readme, "this is the last message I could get out before they... you know... ⛓️‍👮‍♂️\n");
     fprintf(f_readme, "\n");