website/scripts/docsmg: switch docsmg from using .env to docsmg.env (#10680)

* add docsmg tool

* moved to the correct scripts directory

* removed test files

* added install script and readme draft to docsmg

* fix install script

* fixed issues

* Revert "fixed issues"

This reverts commit a51192025f.

* Revert "Revert "fixed issues""

This reverts commit ab68918fea.

* added dotenv and updated readme

* fixed install script

* update readme to ensure that new installers of rust have envs loaded

* changed docsmg from using .env to docsmg.env

website/scripts/docsmg/src/main.rs

@@ -43,7 +43,7 @@ enum Commands {
 }
 
 fn main() {
-    let _ = dotenv::dotenv();
+    let _ = dotenv::from_filename("./docsmg.env");
     let cli = Cli::parse();
 
     match cli.command {