reworked site icons, added generator script

layouts/partials/head.html

@@ -15,7 +15,7 @@
         {{ end }}
     {{ end }}
 
-    <link rel="shortcut icon" href='{{ .Site.Params.favicon | default "/img/favicon.png" }}' type="image/x-icon" />
+    {{- partial "head_icons.html" . -}}
 
     <title>
         {{ if and (.Title) (ne .Title .Site.Title) }}

layouts/partials/head_icons.html

@@ -0,0 +1,20 @@
+<link
+    rel="icon"
+    href='{{ .Site.Params.favicon | default "/favicon.png" }}'
+/>
+<link
+    rel="shortcut icon"
+    href='{{ .Site.Params.faviconIco | default "/favicon.ico" }}'
+    type="image/x-icon"
+/>
+<link
+    rel="apple-touch-icon"
+    href='{{ .Site.Params.appletouch | default "/apple-touch-icon.png" }}'
+/>
+{{ if .Site.Params.svgicon }}
+    <link
+        rel="icon"
+        href='{{ .Site.Params.svgicon | default "/logo.svg" }}'
+        type="image/svg+xml"
+    />
+{{ end }}

layouts/partials/header.html

@@ -2,7 +2,7 @@
     {{- partial "inject/header-before.html" . -}}
     <div class="titleAndSearchContainer">
         <div id="titleContainer">
-            <img src='{{ .Site.Params.Logo | default "/img/icon.svg" }}' />
+            <img src='{{ .Site.Params.Logo | default "/logo.svg" }}' />
             <div>
                 <div class="titleAndHamburger">
                     <h1>{{ .Site.Title | default "Ficurinia" }}</h1>