Add hugo base

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

themes/caldwell-59/layouts/_partials/head/css.html

@@ -0,0 +1,14 @@
+{{- with resources.Get "css/main.css" }}
+  {{- if hugo.IsDevelopment }}
+    <link rel="stylesheet" href="{{ .RelPermalink }}" />
+  {{- else }}
+    {{- with . | minify | fingerprint }}
+      <link
+        rel="stylesheet"
+        href="{{ .RelPermalink }}"
+        integrity="{{ .Data.Integrity }}"
+        crossorigin="anonymous"
+      />
+    {{- end }}
+  {{- end }}
+{{- end }}

themes/caldwell-59/layouts/_partials/head/js.html

@@ -0,0 +1,20 @@
+{{- with resources.Get "js/main.js" }}
+  {{- $opts := dict
+    "minify" (not hugo.IsDevelopment)
+    "sourceMap" (cond hugo.IsDevelopment "external" "")
+    "targetPath" "js/main.js"
+  }}
+  {{- with . | js.Build $opts }}
+    {{- if hugo.IsDevelopment }}
+      <script src="{{ .RelPermalink }}"></script>
+    {{- else }}
+      {{- with . | fingerprint }}
+        <script
+          src="{{ .RelPermalink }}"
+          integrity="{{ .Data.Integrity }}"
+          crossorigin="anonymous"
+        ></script>
+      {{- end }}
+    {{- end }}
+  {{- end }}
+{{- end }}