Merge pull request #201 from amikos-tech/bugfix/single-quote-in-docker-env-for-auth

fix: Removed single quote Docker env vars for auth examples

Author: jeffchuber

docs/usage-guide.md

@@ -802,8 +802,8 @@ Set the following environment variables:
 
 ```bash
 export CHROMA_SERVER_AUTH_CREDENTIALS_FILE="server.htpasswd"
-export CHROMA_SERVER_AUTH_CREDENTIALS_PROVIDER='chromadb.auth.providers.HtpasswdFileServerAuthCredentialsProvider'
-export CHROMA_SERVER_AUTH_PROVIDER='chromadb.auth.basic.BasicAuthServerProvider'
+export CHROMA_SERVER_AUTH_CREDENTIALS_PROVIDER="chromadb.auth.providers.HtpasswdFileServerAuthCredentialsProvider"
+export CHROMA_SERVER_AUTH_PROVIDER="chromadb.auth.basic.BasicAuthServerProvider"
 ```
 
 And run the server as normal: