Default theme change (#875)

* changed session cookie expiry

* made /g/ the default theme

public/css/classic.css

@@ -0,0 +1,2 @@
+/* This is a placeholder so the classic theme can be used */
+/* Ideally, the decorative parts of main.css would be here instead of there. This will have to do for now though */

templates/index.html

@@ -25,9 +25,12 @@
 		<link rel="stylesheet" href="https://cdn.jsdelivr.net/simplemde/latest/simplemde.min.css">
 		<!-- Base theme -->
 		<link rel="stylesheet" id="style" href="{{.URL.Parse "/css/main.css"}}?v={{ .Config.Version }}">
-		<!-- User selected theme, if any -->
-		{{if .Theme}}<link rel="stylesheet" id="theme" href="/css/{{$.Theme}}.css?v={{ .Config.Version }}">{{end}}
-      
+		<!-- User selected theme, if any, defaults to /g/ -->
+		{{if eq $.Theme ""}} 
+			<link rel="stylesheet" id="theme" href="/css/g.css?v={{ .Config.Version }}">
+		{{else}}
+			<link rel="stylesheet" id="theme" href="/css/{{$.Theme}}.css?v={{ .Config.Version }}">
+		{{end}}
 		<!-- Search Box for Google -->
 		<script type="application/ld+json">{"@context":"https://schema.org","@type":"WebSite","url":"https://nyaa.pantsu.cat/","potentialAction":{"@type":"SearchAction","target":"https://nyaa.pantsu.cat/search?q={search_term_string}","query-input":"required name=search_term_string"}}</script>
 		{{ block "additional_header" .}}{{end}}

templates/public_settings.html

@@ -13,10 +13,9 @@
 			</select>
 			<h3>{{call $.T "theme"}}</h3>
 			<select id="theme-selector" name="theme" class="form-input" onchange="switchThemes()">
-				<option value="">{{call $.T "theme_select"}}</option>
-				<option value="g"{{ if eq $.Theme "g" }} selected{{end}}>/g/</option>
+				<option value="g"{{ if or (eq $.Theme "g") (eq $.Theme "") }} selected{{end}}>/g/</option>
 				<option value="tomorrow"{{ if eq $.Theme "tomorrow" }} selected{{end}}>Tomorrow</option>
-				<option value=""{{ if eq $.Theme "" }} selected{{end}}>{{call $.T "theme_none"}}</option>
+				<option value="classic"{{ if eq $.Theme "classic" }} selected{{end}}>Classic</option>
 			</select>
 			</br>
                         <h3>{{call $.T "mascot"}}</h3>