adding partials for <include>

layouts/partials/include.html

@@ -0,0 +1,17 @@
+{{/* 
+  Partial: include.html
+  Handles including external Markdown files and rendering them.
+  Parameters:
+    - context: The Page context (required for RenderString)
+    - path: Path to the file, relative to the project root
+*/}}
+{{- $path := .path -}}
+{{- $context := .context -}}
+
+{{- if fileExists $path -}}
+  {{- $content := readFile $path -}}
+  {{- $context.RenderString $content -}}
+{{- else -}}
+  {{- warnf "Include file not found: %s" $path -}}
+  <p class="text-red-500 font-bold">[Include Error: File "{{ $path }}" not found]</p>
+{{- end -}}