add shared library template with examples subdirectory

sharedlib_template/examples/helloworld.c

@@ -0,0 +1,15 @@
+#include <locale.h>
+#include <libintl.h>
+#include <usefull_macros.h>
+
+int main(){
+    setlocale(LC_ALL, "");
+    setlocale(LC_NUMERIC, "C");
+    #if defined GETTEXT_PACKAGE && defined LOCALEDIR
+    bindtextdomain(GETTEXT_PACKAGE, LOCALEDIR);
+    textdomain(GETTEXT_PACKAGE);
+    #endif
+
+    helloworld();
+    return 0;
+}