Fix link to OpenAPI documentation, make it work in dev

The link was going to the Swaggerhub documentation instead of the local
copy. Also, since the full URL was specified in the initializer, it
wouldn't work in dev.

Fixes #1744

public/openapi/swagger-initializer.js

@@ -1,6 +1,6 @@
 window.onload = function() {
   window.ui = SwaggerUIBundle({
-    url: "https://commlink.digitaldarkness.com/openapi.yml",
+    url: "/openapi.yml",
     dom_id: '#swagger-ui',
     deepLinking: true,
     presets: [

resources/views/settings.blade.php

@@ -318,7 +318,7 @@ class="accordion-collapse collapse"
                         <div class="accordion-body" id="api-keys-table">
                             <p>
                                 An API token is used to interact directly with
-                                <a href="https://app.swaggerhub.com/apis/omnicolor/Commlink">Commlink's API</a>.
+                                <a href="/openapi/index.html">{{ config('app.name') }}'s API</a>.
                                 If you're not a software developer or don't know
                                 what an API is, this probably isn't something
                                 that you need to use. In fact, unless you are