polish

content/philosophy.md

@@ -11,4 +11,4 @@ I've personally found that
 2. Having a public digital garden invites open conversations
 3. It makes keeping personal notes and knowledge *playful and fun*
 
-**The goal of Quartz is to make sharing your digital garden free and simple.** Quartz exists as a tool to accomodate 
+**The goal of Quartz is to make sharing your digital garden free and simple.** Quartz exists as a tool to accomodate 

content/showcase.md

@@ -17,3 +17,15 @@ Want to see what Quartz can do? Here are some cool community gardens :)
 - [Mike's AI Garden 🤖🪴](https://mwalton.me/)
 
 If you want to see your own on here, submit a [Pull Request adding yourself to this file](https://github.com/jackyzha0/quartz/blob/v4-alpha/content/showcase.md)!
+
+Left-aligned text | Center-aligned text | Right-aligned text
+:-- | :--: | --:
+Content | Content | Content
+
+```mermaid
+sequenceDiagram
+    Alice->>+John: Hello John, how are you?
+    Alice->>+John: John, can you hear me?
+    John-->>-Alice: Hi Alice, I can hear you!
+    John-->>-Alice: I feel great!
+```