added ability for items to be hidden

about.py

@@ -109,13 +109,19 @@ def compile_to_yaml(in_filename="about_meta.yaml", out_filename="about.yaml", da
         external yaml file. """
 
     meta_data = open_meta(in_filename, data_dir)
+    # At this stage it is smart to remove the 'hidden' files.
+    meta_data_clean = {
+    "files" : [
+            item for item in meta_data["files"] if not item["hidden"]
+        ]
+    }
 
-    output_text = compile_markdown(meta_data, data_dir)
+    output_text = compile_markdown(meta_data_clean, data_dir)
 
     sidebar = parse_headings(parse_html(output_text))
 
     output_data = {
-        "meta_data": meta_data,
+        "meta_data": meta_data_clean,
         "output_text": output_text,
         "sidebar": sidebar
     }

data/about_meta.yaml

@@ -7,18 +7,21 @@ files: [
     name: public.md,
     slug: public,
     title: I'm a member of the <b>public</b>,
-    subtitle: (non-technical description)
+    subtitle: (non-technical description),
+    hidden: false
   },
   {
     name: astro.md,
     slug: astro,
     title: I'm an <b>astronomer</b>,
-    subtitle: "(SPH, gravity accuracy, etc.)"
+    subtitle: "(SPH, gravity accuracy, etc.)",
+    hidden: true
   },
   {
     name: cs.md,
     slug: cs,
     title: I'm a <b>computer scientist</b>,
-    subtitle: "(technical code description)"
+    subtitle: "(technical code description)",
+    hidden: true
   }
-]
+]
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