Add a feature to create automatically a random temporary directory for base path & remove Clone (#6221)

* Initial commit

Forked at: 4adac40c07
Parent branch: origin/master

* Add a feature to create automatically a temporary directory for base path

* doc fix and todos

* use parking_lot instead

* use refcell instead since we stay in the main thread

* remove Clone derives

* add test

* solving dependency issue

* clarifying doc

* conflict argument with base-path

* WIP

Forked at: 4adac40c07
Parent branch: origin/master

* revert dep deletion

* fixing test and making base_path optional

* hold basepath while the service is running

* fixes

* Update client/cli/src/params/shared_params.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Update client/service/Cargo.toml

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Update client/cli/src/commands/mod.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Update client/service/src/config.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* WIP

Forked at: 4adac40c07
Parent branch: origin/master

* improve doc

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

substrate/client/cli/src/params/node_key_params.rs

@@ -31,7 +31,7 @@ const NODE_KEY_ED25519_FILE: &str = "secret_ed25519";
 
 /// Parameters used to create the `NodeKeyConfig`, which determines the keypair
 /// used for libp2p networking.
-#[derive(Debug, StructOpt, Clone)]
+#[derive(Debug, StructOpt)]
 pub struct NodeKeyParams {
 	/// The secret key to use for libp2p networking.
 	///