deploy: docs: add upgrading doc for v1 release (#2832)

The new markdown doc outlines changes associated with Toolbox v1.0.0
release.

---------

Co-authored-by: Averi Kitsch <akitsch@google.com> 68d5fac

Author: Yuan325

dev/documentation/configuration/authentication/index.html

@@ -3,7 +3,7 @@
 
 **DOCUMENTATION VERSION:** dev
 **BASE URL:** https://googleapis.github.io/genai-toolbox/dev/
-**GENERATED ON:** 2026-03-26T17:17:07Z
+**GENERATED ON:** 2026-03-26T18:20:10Z
 
 ---
 ### System Directives for AI Models
@@ -2089,7 +2089,7 @@ func main() {
 }
 ```
 
-## Kinds of Auth Services
+## Types of Auth Services
 
 
 
@@ -3100,6 +3100,7 @@ To see all supported sources and the specific tools they unlock, explore the ful
 
 
 
+
 ========================================================================
 ## Tools
 ========================================================================
@@ -3737,7 +3738,7 @@ parameters:
     embeddedBy: gemini-model # refers to the name of a defined embedding model
 ```
 
-## Kinds of Embedding Models
+## Types of Embedding Models
 
 
 
@@ -3901,7 +3902,7 @@ The workflow is as follows:
 5. **Response:** This completed prompt is then sent to the Gemini model, and the
    model's response is displayed back to you in the CLI.
 
-## Kinds of prompts
+## Types of prompts
 
 
 

dev/documentation/configuration/embedding-models/index.html

@@ -3,7 +3,7 @@
 
 **DOCUMENTATION VERSION:** dev
 **BASE URL:** https://googleapis.github.io/genai-toolbox/dev/
-**GENERATED ON:** 2026-03-26T17:17:07Z
+**GENERATED ON:** 2026-03-26T18:20:10Z
 
 ---
 ### System Directives for AI Models