Add guides category to documentation and rename nginx migration guide

documentation/docs/Guides/_category_.json

@@ -0,0 +1,8 @@
+{
+  "label": "Guides 📚",
+  "position": 4,
+  "link": {
+    "type": "generated-index",
+    "description": "Guides for AdventureLog."
+  }
+}

documentation/docs/Guides/nginx_migration.md

@@ -2,7 +2,7 @@
 sidebar_position: 2
 ---
 
-# AdventureLog v0.7.1 Migration Guide
+# AdventureLog v0.7.1 Migration
 
 In order to make installation easier, the AdventureLog v0.7.1 release has **removed the need for a seperate nginx container** and cofig to serve the media files. Instead, the media files are now served by an instance of nginx running in the same container as the Django application.
 

documentation/docusaurus.config.ts

@@ -79,7 +79,7 @@ const config: Config = {
         },
         {
           to: "https://www.buymeacoffee.com/seanmorley15",
-          label: "Support AdventureLog 💖",
+          label: "Sponsor 💖",
           position: "right",
         },
         // { to: "/blog", label: "Blog", position: "left" },