add tella theme

themes/tella/layouts/partials/strip.html

@@ -0,0 +1,23 @@
+{{if .Site.Data.features}}
+<div class="bg-tlgray-200 py-6 md:py-10">
+    <div class="container mx-auto max-w-7xl">
+        <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-3">
+            {{ range .Site.Data.features }}
+            {{if .link }}<a href="{{ .link }}">{{ end }}
+                <div
+                    class="bg-white text-center mx-2 px-4 py-10 flex flex-row justify-center items-center duration-300 transform h-full hover:-translate-y-1 hover:shadow-lg">
+                    <div class="p-1">
+                        {{if .icon }}
+                        <span class="{{ .icon }} text-5xl"></span>
+                        {{ end }}
+                        <h2 class="text-2xl">{{ .title }}</h2>
+                        <p class="sans">{{ .description | markdownify }}</p>
+                    </div>
+                </div>
+                {{if .link }}
+            </a>{{ end }}
+            {{ end }}
+        </div>
+    </div>
+</div>
+{{end}}