handbook: Move into documentation directory

Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

documentation/poky-ref-manual/examples/hello-single/hello.bb

@@ -0,0 +1,16 @@
+DESCRIPTION = "Simple helloworld application"
+SECTION = "examples"
+LICENSE = "MIT"
+
+SRC_URI = "file://helloworld.c"
+
+S = "${WORKDIR}"
+
+do_compile() {
+	${CC} helloworld.c -o helloworld
+}
+
+do_install() {
+	install -d ${D}${bindir}
+	install -m 0755 helloworld ${D}${bindir}
+}