Node template folders restructuring (#4811)

* Restructure node-template so it is clear that node, runtime, and pallets are separated
* Separating to mock and tests
* restructuring runtime to top-level
* updated release script
* updated Cargo.lock

substrate/bin/node-template/runtime/src/lib.rs

@@ -37,6 +37,9 @@ pub use frame_support::{
 	weights::Weight,
 };
 
+/// Importing a template pallet
+pub use template;
+
 /// An index to a block.
 pub type BlockNumber = u32;
 
@@ -63,9 +66,6 @@ pub type Hash = sp_core::H256;
 /// Digest item type.
 pub type DigestItem = generic::DigestItem<Hash>;
 
-/// Used for the module template in `./template.rs`
-mod template;
-
 /// Opaque types. These are used by the CLI to instantiate machinery that don't need to know
 /// the specifics of the runtime. They can then be made to be agnostic over specific formats
 /// of data like extrinsics, allowing for them to continue syncing the network through upgrades