fix(monolith): quote url

when url include ampersand shell fails
```
/bin/sh: 1: amp: not found
/bin/sh: 1: -j: not found
Uncaught Monolith error...
```

lib/api/preservationScheme/handleMonolith.ts

@@ -8,7 +8,7 @@ const handleMonolith = async (link: Link, content: string) => {
 
   try {
     let html = execSync(
-      `monolith - -I -b ${link.url} ${
+      `monolith - -I -b "${link.url}" ${
         process.env.MONOLITH_CUSTOM_OPTIONS || "-j -F -s"
       } -o -`,
       {