chore(showcase): Add Gold Edge Training (#20406)

* [v2] fix: docs typo gatsby-plugin-layout

* chore: featured sites submission

* showcase sites minor submission change

* add new line to EOF

* add new line LF to EOF

Co-authored-by: Lennart <lekoarts@gmail.com>

docs/sites.yml

@@ -2290,6 +2290,19 @@
   built_by: Janosh Riebesell
   built_by_url: "https://janosh.io"
   featured: false
+- title: Gold Edge Training
+  url: "https://www.goldedgetraining.co.uk"
+  main_url: "https://www.goldedgetraining.co.uk"
+  description: >
+    AAT approved online distance learning accountancy training provider. Branded landing page / mini brochure promoting competitor differentiators, student testimonials, offers, service benefits and features. Designed to both inform potential students and encourage visits to company eCommerce site or direct company contact.
+  categories:
+    - Education
+    - Learning
+    - Landing Page
+    - Business
+    - Finance
+  built_by: Leo Furze-Waddock
+  built_by_url: "https://www.linkedin.com/in/lfurzewaddock"
 - title: Gatsby Manor
   description: >
     We build themes for gatsby. We have themes for all projects including personal,