Wiki link colors, and determine the thumbnail better.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4730 ed5197a5-7fde-0310-b194-c3ffbd925b24

apps/wiki.json

@@ -1,5 +1,5 @@
 {
   "type": "tildefriends-app",
   "emoji": "📝",
-  "previous": "&rLiFGbB2BQlnzfLQeQcwsIHLd4tirP/boXwbSVcqtrs=.sha256"
+  "previous": "&SkX7Tmt1TEAPoyIPTv8qrxIrAcxTUicFEKkVtuU9CSo=.sha256"
 }

apps/wiki/tf-wiki-doc.js

@@ -72,8 +72,7 @@ class TfWikiDocElement extends LitElement {
 	}
 
 	thumbnail(md) {
-		//let m = md ? md.match(/\!\[image:[^\]]+]\((\&.{44}\.sha256)\)/) : undefined;
-		let m = md ? md.match(/.*\((\&.{44}\.sha256)\).*/) : undefined;
+		let m = md ? md.match(/\!\[image:[^\]]+\]\((\&.{44}\.sha256)\).*/) : undefined;
 		console.log('thumb', m);
 		return m ? m[1] : undefined;
 	}
@@ -225,6 +224,12 @@ class TfWikiDocElement extends LitElement {
 		let self = this;
 		let thumbnail_ref = this.thumbnail(this.blob);
 		return html`
+			<style>
+				a:link { color: #268bd2 }
+				a:visited { color: #6c71c4 }
+				a:hover { color: #859900 }
+				a:active { color: #2aa198 }
+			</style>
 			<div style="display: inline-flex; flex-direction: row">
 				<button ?disabled=${!this.whoami || this.is_editing} @click=${() => self.is_editing = true}>Edit</button>
 				<button ?disabled=${this.blob == this.blob_original} @click=${this.on_save_draft}>Save Draft</button>