Add parent title before current title (#14)

Author: piotrpdev

assets/_custom.scss

@@ -5,3 +5,12 @@
 ::placeholder {
     color: var(--gray-500); // Placeholder text is a bit hard to read by default
 }
+
+.subheading {
+    color: var(--gray-500);
+    margin-bottom: 0.5em;
+}
+
+.subheading + h1 {
+    margin-top: 0;
+}

layouts/_partials/docs/inject/content-before.html

@@ -1,5 +1,10 @@
-{{ if .Title }}
-<h1>
-  {{ .Title }}
-</h1>
+{{ if and .Parent .Title }}
+<h3 class="subheading">{{ .Parent.LinkTitle }}</h3>
+  <h1>
+    {{ .Title }}
+  </h1>
+{{ else if .Title }}
+  <h1>
+    {{ .Title }}
+  </h1>
 {{ end }}