updated missing template images

Author: André Dietrich

content/english/blog/template_gcode-preview-in-liascript.md

@@ -4,7 +4,7 @@ slug: "gcode-preview-in-liascript"
 date: 2026-05-27
 draft: false
 author: "André Dietrich"
-image: "https://raw.githubusercontent.com/LiaTemplates/gcode-preview/main/example/eiffel-tower.png"
+image: "https://opengraph.githubassets.com/1/LiaTemplates/gcode-preview"
 categories:
     - Template
     - Case Study

content/english/blog/template_lua-scripting-in-liascript.md

@@ -4,7 +4,7 @@ slug: "lua-scripting-in-liascript"
 date: 2026-05-28
 draft: false
 author: "André Dietrich"
-image: "https://upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Lua-Logo.svg/480px-Lua-Logo.svg.png"
+image: "https://opengraph.githubassets.com/1/LiaTemplates/Lua"
 categories:
     - Template
     - Tutorial

content/english/blog/template_webdev-html-css-js-in-liascript.md

@@ -4,7 +4,7 @@ slug: "webdev-html-css-js-in-liascript"
 date: 2026-05-28
 draft: false
 author: "André Dietrich"
-image: "https://wiki.selfhtml.org/images/thumb/7/78/HTML-CSS-JS.svg/400px-HTML-CSS-JS.svg.png"
+image: "https://opengraph.githubassets.com/1/LiaTemplates/WebDev"
 categories:
     - Template
     - Tutorial