update .winner.json

We used:

```sh
./run_all.sh ./gen_winner_json.sh
```

to update `.winner.json` files due to recent changes
made to `manifest.csv`.

2011/zucker/.winner.json

@@ -39,6 +39,16 @@
 	    "display_via" : "github",
 	    "winners_text" : "Makefile"
 	},
+	{
+	    "file_path" : "zucker.alt.c",
+	    "winners_rank" : 40,
+	    "created_by" : null,
+	    "prog" : "alt",
+	    "filetype" : "c",
+	    "winners_show" : true,
+	    "display_via" : "github",
+	    "winners_text" : "alternative source"
+	},
 	{
 	    "file_path" : "zucker.orig.c",
 	    "winners_rank" : 50,
@@ -49,6 +59,16 @@
 	    "display_via" : "github",
 	    "winners_text" : "original source"
 	},
+	{
+	    "file_path" : "sphere-tracing.pdf",
+	    "winners_rank" : 100,
+	    "created_by" : null,
+	    "prog" : null,
+	    "filetype" : "pdf",
+	    "winners_show" : true,
+	    "display_via" : "browser",
+	    "winners_text" : "research paper on antialiased ray tracing"
+	},
 	{
 	    "file_path" : "2011_zucker.tar.bz2",
 	    "winners_rank" : 300,
@@ -62,7 +82,7 @@
 	{
 	    "file_path" : "inventory.html",
 	    "winners_rank" : 900,
-	    "created_by" : "winner2nventory",
+	    "created_by" : "winner2inventory",
 	    "prog" : null,
 	    "filetype" : "html",
 	    "winners_show" : true,

2011/zucker/inventory.html

@@ -212,10 +212,21 @@ href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/zucker/zucke
 href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/zucker/Makefile">Makefile</a></td>
 </tr>
 <tr class="even">
+<td style="text-align: left;">alternative source</td>
+<td style="text-align: left;"><a
+href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/zucker/zucker.alt.c">zucker.alt.c</a></td>
+</tr>
+<tr class="odd">
 <td style="text-align: left;">original source</td>
 <td style="text-align: left;"><a
 href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/zucker/zucker.orig.c">zucker.orig.c</a></td>
 </tr>
+<tr class="even">
+<td style="text-align: left;">research paper on antialiased ray
+tracing</td>
+<td style="text-align: left;"><a
+href="https://ioccc-src.github.io/temp-test-ioccc/2011/zucker/sphere-tracing.pdf">sphere-tracing.pdf</a></td>
+</tr>
 <tr class="odd">
 <td style="text-align: left;">download winning source</td>
 <td style="text-align: left;"><a