bigbird: add kathe smb share

bigbird/README.md

@@ -7,3 +7,8 @@ entirely sure at this point. For now, I took the easy way out: Just keep trying
 SD cards until one works! Thankfully, it seems to be reliable that an SD card
 works either 100% or 0% of the time. Currently using a 32GB Microcenter cheapo,
 in place of the nicer 128GB ones I was planning on instead.
+
+## Manual configuration
+```
+smbpasswd -a kathe <password>
+```

bigbird/smb.nix

@@ -17,6 +17,13 @@
         "read only" = "yes";
         "guest ok" = "yes"; # aka "public = yes"
       };
+      kathe = {
+        path = "/nas/katherine";
+        browseable = "yes";
+        "valid users" = "kathe";
+        "read only" = "no";
+        "guest ok" = "no";
+      };
     };
   };
 }