chore: update doc

Author: anc95

README.md

@@ -68,6 +68,10 @@ jobs:
           max_tokens: 10000
           MAX_PATCH_LENGTH: 10000 # if the patch/diff length is large than MAX_PATCH_LENGTH, will be ignored and won't review. By default, with no MAX_PATCH_LENGTH set, there is also no limit for the patch/diff length.
           IGNORE_PATTERNS: /node_modules,*.md # Regex pattern to ignore files, separated by comma
+
+          # IF you are using azure openai
+          AZURE_API_VERSION: xx
+          AZURE_DEPLOYMENT: xx
 ```
 
 ## Self-hosting

src/chat.ts

@@ -50,7 +50,7 @@ export class Chat {
         }
       ],
       // Use model or deployment name based on the environment
-      model: this.isAzure ? this.deployment : process.env.MODEL || 'gpt-4',
+      model: (this.isAzure ? this.deployment : process.env.MODEL || 'gpt-4o-mini') as any,
       temperature: +(process.env.temperature || 0) || 1,
       top_p: +(process.env.top_p || 0) || 1,
       max_tokens: process.env.max_tokens