add sdk onramp course to courses

README.md

@@ -1,3 +1,6 @@
 # Anthropic Courses
 
-Welcome to Anthropic's educational courses. 
+Welcome to Anthropic's educational courses. This repository currently contains two courses:
+
+- [SDK Onramp Course](./SDKOnramp/README.md) - teaches the essentials of working with the Claude SDK: getting an API key, working with model parameters, writing multimodal prompts, streaming responses, etc.
+- [Tool Use Course](./ToolUse/README.md) - teaches everything you need to know to implement tool use successfully in your workflows with Claude.

SDKOnramp/README.md

@@ -0,0 +1,10 @@
+# Onramp Curriculum
+
+A series of notebook tutorials that cover the essentials of working with Claude and the Claude SDK including:
+
+* [Getting an API key and making simple requests](./01_getting_started.ipynb)
+* [Working with the messages format](./02_messages_format.ipynb)
+* [Comparing capabilities and performance of the Claude model family](./03_models.ipynb)
+* [Understanding model parameters](./04_parameters.ipynb)
+* [Working with streaming responses](./05_Streaming.ipynb)
+* [Vision prompting](./06_multimodal.ipynb)