Add education resource ggcode stuff!

public/style.css

@@ -1176,7 +1176,7 @@ img, video {
 .br2, .post-content code, .post-content pre > code, .post-content pre.hmn-code {
   border-radius: 0.25rem; }
 
-.br3 {
+.br3, .edu-resource {
   border-radius: 0.5rem; }
 
 .br4 {
@@ -4602,7 +4602,7 @@ code, .code {
 .pa2, .tab, header .root-item > a, header .submenu > a {
   padding: 0.5rem; }
 
-.pa3, header #login-popup {
+.pa3, .edu-resource, header #login-popup {
   padding: 1rem; }
 
 .pa4 {
@@ -7426,7 +7426,7 @@ article code {
   border-color: #ccc;
   border-color: var(--theme-color-dimmest); }
 
-.bg--dim, .post-content code, .post-content pre > code, .post-content pre.hmn-code {
+.bg--dim, .post-content code, .post-content pre > code, .post-content pre.hmn-code, .edu-resource {
   background-color: #f0f0f0;
   background-color: var(--dim-background); }
 

src/parsing/ggcode.go

@@ -6,6 +6,7 @@ import (
 	"regexp"
 
 	"git.handmade.network/hmn/hmn/src/hmnurl"
+	"git.handmade.network/hmn/hmn/src/utils"
 	"github.com/yuin/goldmark"
 	"github.com/yuin/goldmark/ast"
 	gast "github.com/yuin/goldmark/ast"
@@ -55,9 +56,10 @@ var ggcodeTags = map[string]ggcodeRenderer{
 	},
 	"resource": func(w util.BufWriter, n *ggcodeNode, entering bool) error {
 		if entering {
-			w.WriteString("a node :o")
+			w.WriteString(`<div class="edu-resource">`)
+			w.WriteString(fmt.Sprintf(`  <a href="%s" target="_blank"><h2>%s</h2></a>`, n.Args["url"], utils.OrDefault(n.Args["name"], "[missing `name`]")))
 		} else {
-			w.WriteString("bai")
+			w.WriteString("</div>")
 		}
 		return nil
 	},

src/rawdata/scss/_education.scss

@@ -0,0 +1,3 @@
+.edu-resource {
+    @extend .pa3, .bg--dim, .br3;
+}

src/rawdata/scss/style.scss

@@ -12,6 +12,7 @@
 @import 'content';
 @import 'editor';
 @import 'episodes';
+@import 'education';
 @import 'forms';
 @import 'forum';
 @import 'header';

src/templates/src/education_article.html

@@ -2,7 +2,7 @@
 
 {{ define "content" }}
     <h1>{{ .Title }}</h1>
-    {{ if .User.IsEduAuthor }}
+    {{ if and .User .User.IsEduAuthor }}
         <div class="mb3">
             <a href="{{ .EditUrl }}" title="Edit">&#9998; Edit</a>
             <a href="{{ .DeleteUrl }}" title="Delete">&#10006; Delete</a>