Add links to _environment targets in options component (#75)

Fixes #69 by adding
links to references to `_environment` targets.

Ran locally and verified the links work as expected.

src/components/reference/Option.jsx

@@ -1,3 +1,5 @@
+import Link from "@docusaurus/Link";
+
 export default function Option({
   children,
   cli_repr,
@@ -51,8 +53,18 @@ export default function Option({
         {target_field_name && (
           <span>
             Can be overriden by field
-            <code>{target_field_name}</code> on <code>local_environment</code>,{" "}
-            <code>docker_environment</code>, or <code>remote_environment</code>{" "}
+            <code>{target_field_name}</code> on{" "}
+            <Link to="../targets/local_environment">
+              <code>local_environment</code>
+            </Link>
+            ,{" "}
+            <Link to="../targets/docker_environment">
+              <code>docker_environment</code>
+            </Link>
+            , or{" "}
+            <Link to="../targets/remote_environment">
+              <code>remote_environment</code>
+            </Link>
             targets.
           </span>
         )}