Update post + add author

Author: emil0r

site/db.edn

@@ -87,7 +87,12 @@
    :image       "https://avatars.githubusercontent.com/u/4629681?v=4"
    :email       ""
    :affiliation [:scicloj]
-   :links       [{:icon "github" :href "https://github.com/joinr"}]}]
+   :links       [{:icon "github" :href "https://github.com/joinr"}]}
+  {:id          :emilbengtsson
+   :name        "Emil Bengtsson"
+   :url         "https://emil0r.com"
+   :image       "https://avatars.githubusercontent.com/u/49733?v=4"
+   :links       [{:icon "github" :href "https://github.com/emil0r"}]}]
 
  :affiliation
  [{:id   :clojure.core

src/scicloj/clay/mermaid.clj

@@ -2,7 +2,7 @@
   :clay             {:title  "Mermaid.js"
                      :format [:quarto :html]
                      :quarto {:author      :emilbengtsson
-                              :description "Use mermaid.js from within clay"
+                              :description "Explain complex concepts with mermaid.js"
                               :type        :post
                               :date        "2025-09-05"
                               :image       "mermaid.png"