Move bounded type definitions to sp-runtime (#11645)

* Move bounded type definitions to sp-runtime

* cargo fmt

* Fix compile error

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Move TryCollect to sp-runtime

* Write some docs

* Import missing types

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

substrate/primitives/runtime/src/bounded.rs

@@ -0,0 +1,28 @@
+// This file is part of Substrate.
+
+// Copyright (C) 2022 Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//! Bounded collection types.
+
+pub mod bounded_btree_map;
+pub mod bounded_btree_set;
+pub mod bounded_vec;
+pub mod weak_bounded_vec;
+
+pub use bounded_btree_map::BoundedBTreeMap;
+pub use bounded_btree_set::BoundedBTreeSet;
+pub use bounded_vec::{BoundedSlice, BoundedVec};
+pub use weak_bounded_vec::WeakBoundedVec;