Added public files

Roughly added all public files. Probably missed some, though.
diff --git a/items/fishing/haken.c b/items/fishing/haken.c
new file mode 100644
index 0000000..3152b67
--- /dev/null
+++ b/items/fishing/haken.c
@@ -0,0 +1,17 @@
+#pragma strong_types, save_types, rtt_checks
+#pragma no_inherit, no_shadow
+
+#include <language.h>
+#include <properties.h>
+#include <fishing.h>
+#include <items/flasche.h>
+
+inherit STD_HAKEN;
+
+protected void create() {
+  ::create();
+  SetProp(P_NAME, "Haken");
+  SetProp(P_SHORT, "Ein Haken");
+  SetProp(P_LONG, "Ein Angelhaken aus Metall.\n");
+  SetProp(P_LONG_EMPTY, "Du kannst etwas damit aufspiessen!\n");
+}