Fixed minor typo in bash command to prevent overwriting .env file (Be…

…rriAI#5902)

Changed '>' to '>>' in the bash command to append the environment variable to the .env file instead of overwriting it.

docs/my-website/docs/proxy/deploy.md

@@ -24,7 +24,7 @@ echo 'LITELLM_MASTER_KEY="sk-1234"' > .env
 # It is used to encrypt / decrypt your LLM API Key credentials
 # We recommned - https://1password.com/password-generator/ 
 # password generator to get a random hash for litellm salt key
-echo 'LITELLM_SALT_KEY="sk-1234"' > .env
+echo 'LITELLM_SALT_KEY="sk-1234"' >> .env
 
 source .env
 
@@ -971,4 +971,4 @@ export DATABASE_SCHEMA="schema-name" # skip to use the default "public" schema
 
 ```bash
 litellm --config /path/to/config.yaml --iam_token_db_auth
-```
+```