added contributing-testers.py

Author: SajiJohnMiranda

CONTRIBUTING-TESTERS.md

@@ -17,13 +17,14 @@ Set up the test environment.
 1️⃣ Enter >> '**pip install docoreai**' in terminal  
         - download the test.py from https://github.com/SajiJohnMiranda/DoCoreAI/blob/main/tests/Quick%20Test/test.py  
         - Create a .env file in the root folder. Enter the details as shown..
+
             ```ini
                 # .env file
                 OPENAI_API_KEY="your-openai-api-key"  
                 GROQ_API_KEY="your-groq-api-key"  
                 MODEL_PROVIDER="groq"  # Choose 'openai' or 'groq'  
                 MODEL_NAME='gemma2-9b-it' # Choose model  gpt-3.5-turbo, gemma2-9b-it etc  
-                ```
+            ```
         - You may change The PROMPT and ROLE as per your test context  
         - Next run the command >> '**python test.py**'  & Start your test