some doc updates

Author: splitbrain

README.md

@@ -36,7 +36,7 @@ The pins can be described by a simple YAML based description and the tool automa
 
 ### Web Editor
 
-1. Go to https://splitbrain.github.io/pinoutleaf/ (replace placeholders)
+1. Go to https://splitbrain.github.io/pinoutleaf/
 2. Edit the YAML configuration in the editor.
 3. The SVG diagrams will update automatically.
 4. Click the images to download them 

public/index.html

@@ -24,6 +24,11 @@
             When you create the pinout for a new commonly available PCB please submit a pull request or issue, so
             it can be added to the list of available pinouts.
         </p>
+
+        <p>
+            <a href="https://github.com/splitbrain/pinoutleaf?tab=readme-ov-file#configuration-syntax">Read the docs</a>
+            for more info on available config options.
+        </p>
     </div>
     <div class="panel panel-output">
         <div id="output"></div>

src/Editor.js

@@ -93,6 +93,8 @@ export class Editor {
             const savedYaml = localStorage.getItem(this.STORAGE_KEY);
             if (savedYaml) {
                 this.ace.setValue(savedYaml, -1);
+            } else {
+                this.ace.setValue("# Hi!\n# New here? Load an example from below!", -1);
             }
         }
     }