Update changelog for sdk-py v0.0.100 (#216)

- Add v0.0.100 entry with Discord interface breaking change
- Document method rename from discord_message() to discord()
- Follow Callout component format with release date

Co-Authored-By: unknown <>

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

Author: devin-ai-integration[bot]

content/Changelog/sdk-py.mdx

@@ -7,6 +7,24 @@ import { Callout } from 'fumadocs-ui/components/callout';
 
 This page documents the release history of the [Agentuity Python SDK](https://github.com/agentuity/sdk-py).
 
+## v0.0.100
+
+<Callout type="info">
+  Released: June 30, 2025
+</Callout>
+
+**Changes:**
+- **Changed:** Shortened Discord interface method name from `discord_message()` to `discord()` for improved usability
+
+### ⚠️ Breaking Changes
+
+The Discord interface method has been renamed from `discord_message()` to `discord()`. Update your code to use the new method name:
+
+```diff
+- message = await req.data.discord_message()
++ message = await req.data.discord()
+```
+
 ## v0.0.98
 
 <Callout type="info">