new: add hello world

test/hello-1.0.PKGBUILD

@@ -0,0 +1,25 @@
+pkgname="hello"
+pkgver="1.0"
+homepage="https://gitea.phywyj.dynv6.net"
+pkgdesc="Just a hello world"
+license=("GPL")
+sourses=()
+urls=()
+md5sums=()
+
+src_prepare() {
+  cat > "hello.c" << "EOF"
+#include <stdio.h>
+int main(){
+  printf("Hello! LFS!\n");
+}
+EOF
+}
+
+src_build() {
+  cc ${CFLAGS} hello.c -o hello
+}
+
+src_install() {
+  install -Dm755 hello ${pkgdir}/usr/bin/hello
+}