Use four spaces in frontmatter blocks

source/_talks/working-with-workspace.md

@@ -2,30 +2,30 @@
 title: Working with Workspace
 description: Workspace is an open-source local development tool from Inviqa. This talk covers what it is, what it does, and how to use it in your PHP project.
 speakerdeck:
-  id: e87103bd5f8b4f16bbed73a9d4d2a592
-  ratio: "1.77777777777778"
-  url: https://speakerdeck.com/opdavies/taking-flight-with-tailwind-css
+    id: e87103bd5f8b4f16bbed73a9d4d2a592
+    ratio: "1.77777777777778"
+    url: https://speakerdeck.com/opdavies/taking-flight-with-tailwind-css
 video:
-  type: youtube
-  id: oO0-E_FBS-U
+    type: youtube
+    id: oO0-E_FBS-U
 events:
-  -
-    name: PHP North West
-    url: https://www.phpnw.org.uk
-    date: 2021-02-02
-    online: true
-  -
-    name: PHP South West
-    location: Bristol, UK
-    url: https://www.meetup.com/php-sw/events/272787346
-    date: 2020-09-09
-    online: true
-  -
-    name: NWDUG
-    location: Manchester, UK
-    url: https://www.meetup.com/nwdrupal/events/272098270
-    date: 2020-08-11
-    online: true
+    -
+        name: PHP North West
+        url: https://www.phpnw.org.uk
+        date: 2021-02-02
+        online: true
+    -
+        name: PHP South West
+        location: Bristol, UK
+        url: https://www.meetup.com/php-sw/events/272787346
+        date: 2020-09-09
+        online: true
+    -
+        name: NWDUG
+        location: Manchester, UK
+        url: https://www.meetup.com/nwdrupal/events/272098270
+        date: 2020-08-11
+        online: true
 ---
 
 [Workspace](https://github.com/my127/workspace) is an open source tool developed by [Inviqa](https://inviqa.com), as a way to create custom commands for your project environments, and an alternative to a bash script or a Makefile.