Added public files

Roughly added all public files. Probably missed some, though.
diff --git a/items/fishing/aquarium/lachs.c b/items/fishing/aquarium/lachs.c
new file mode 100644
index 0000000..769fa44
--- /dev/null
+++ b/items/fishing/aquarium/lachs.c
@@ -0,0 +1,16 @@
+#include <language.h>
+#include <properties.h>
+#include <fishing.h>
+
+inherit STD_FISCH;
+
+protected void create() {
+   if (!clonep(this_object())) return;
+  ::create();
+  AddId(({"lachs"}));
+  SetProp(P_NAME,"Lachs" );
+  SetProp(P_SHORT,"Ein Lachs" );
+  SetProp(P_LONG,"Ein schoener, grosser Lachs.\n");
+  SetProp(P_VALUE,60);
+  SetProp(P_WEIGHT, 400);
+}