Rework Notes page: balanced two columns, filter, bibliography section, drop prev/next links

layouts/partials/notes/bibmeta.html

@@ -0,0 +1,13 @@
+{{- $p := . -}}
+{{- $raw := $p.RawContent -}}
+{{- $author := $p.Params.ref_author | default "" -}}
+{{- if not $author }}{{ with findRE `(?m)^Author\(s\)\r?\n: (.+)$` $raw 1 }}{{ $author = replaceRE `^Author\(s\)\r?\n: ` "" (index . 0) }}{{ end }}{{ end -}}
+{{- $author = $author | replaceRE `&` "&" | strings.TrimSpace -}}
+{{- $year := $p.Params.ref_year | default "" -}}
+{{- if not $year }}{{ with findRE `(?m)^Year\r?\n: (\d{4})` $raw 1 }}{{ $year = replaceRE `^Year\r?\n: ` "" (index . 0) }}{{ end }}{{ end -}}
+{{- $notes := slice -}}
+{{- range findRE `relref "[^"]+\.md"` $raw -}}
+  {{- $base := . | replaceRE `^relref "(?:.*/)?([^"/]+)\.md"$` "$1" -}}
+  {{- with site.GetPage (printf "/zettels/%s" $base) }}{{ $notes = $notes | append . }}{{ end -}}
+{{- end -}}
+{{- return (dict "author" $author "year" (string $year) "notes" $notes) -}}