Give the starting pages of each category a more intuitive filename

website/src/api/index.md → website/src/api/architecture.md

@@ -2,6 +2,7 @@
 type: api
 order: 0
 title: "Architecture"
+permalink: api/
 ---
 
 # Uppy File Uploader Architecture

website/src/examples/index.ejs → website/src/examples/playground.ejs

@@ -2,6 +2,7 @@
 title: CDN
 type: examples
 order: 0
+permalink: examples/
 ---
 
 {% blockquote %}

website/src/guide/index.md → website/src/guide/getting-started.md

@@ -2,6 +2,7 @@
 title: Getting Started
 type: guide
 order: 0
+permalink: guide/
 ---
 
 > **Compatibility Note:** Uppy does not support IE8 and below.