* Adds Rust client documentation Signed-off-by: Fanit Kolchina <[email protected]> * Added copy buttons and refactored more clients Signed-off-by: Fanit Kolchina <[email protected]> * Incorporated doc review comments Signed-off-by: Fanit Kolchina <[email protected]> * Incorporated doc review feedback Signed-off-by: Fanit Kolchina <[email protected]> * One more fix - indexes Signed-off-by: Fanit Kolchina <[email protected]> * Incorporated editorial comments Signed-off-by: Fanit Kolchina <[email protected]> Signed-off-by: Fanit Kolchina <[email protected]>