add makefile and webserver file

Makefile

@@ -0,0 +1,8 @@
+all: webserver.o
+	gcc -o webserver webserver.o
+
+webserver: webserver.c
+	gcc -c webserver webserver.c
+
+clean:
+	rm -f webserver webserver.o

webserver.c

@@ -0,0 +1,10 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+// #include <pthread.h>
+
+int main(int argc, char **argv) {
+    printf("Hello world!\n");
+    return 0;
+}