docs: fix broken links

Signed-off-by: Yuhang Wei <[email protected]>

Author: weiyuhang2011

crates/logging/README.md

@@ -8,7 +8,7 @@
 Shim v2 runtime supports pluggable logging binaries via stdio URIs.
 This crate implement `logging::run` to easy custom logger implementations in Rust.
 
-[containerd Documentation](https://github.com/containerd/containerd/tree/master/runtime/v2#logging)
+[containerd Documentation](https://github.com/containerd/containerd/tree/master/core/runtime/v2#logging)
 
 ## Example
 

crates/shim-protos/README.md

@@ -12,12 +12,12 @@ This crate is mainly expected to be useful to interact with containerd's shim ru
 Runtime v2 introduces a first class shim API for runtime authors to integrate with containerd.
 The shim API is minimal and scoped to the execution lifecycle of a container.
 
-To learn how containerd's shim v2 runtime works in details, please refer to the [documentation](https://github.com/containerd/containerd/blob/main/runtime/v2/README.md).
+To learn how containerd's shim v2 runtime works in details, please refer to the [documentation](https://github.com/containerd/containerd/blob/main/core/runtime/v2/README.md).
 
 ## Design
 The `containerd-shim-protos` crate provides [Protobuf](https://github.com/protocolbuffers/protobuf.git) message
 and [TTRPC](https://github.com/containerd/ttrpc.git) service definitions for the
-[Containerd shim v2](https://github.com/containerd/containerd/blob/main/runtime/v2/task/shim.proto) protocol.
+[Containerd shim v2](https://github.com/containerd/containerd/blob/main/api/runtime/task/v2/shim.proto) protocol.
 
 The message and service definitions are auto-generated from protobuf source files under `vendor/`
 by using [ttrpc-codegen](https://github.com/containerd/ttrpc-rust/tree/master/ttrpc-codegen). So please do not

crates/shim/README.md

@@ -19,7 +19,7 @@ This crate simplifies shim v2 runtime development for containerd. It handles com
 as command line parsing, setting up shim's TTRPC server, logging, events, etc.
 
 Clients are expected to implement [Shim] and [Task] traits with task handling routines.
-This generally replicates same API as in Go [version](https://github.com/containerd/containerd/blob/main/runtime/v2/example/cmd/main.go).
+This generally replicates same API as in Go [version](https://github.com/containerd/containerd/blob/main/core/runtime/v2/example/cmd/main.go).
 
 Once implemented, shim's bootstrap code is as easy as:
 ```text

crates/snapshots/README.md

@@ -41,7 +41,7 @@ $ ctr i pull --snapshotter custom docker.io/library/hello-world:latest
 ## Getting started
 
 Snapshotters are required to implement `Snapshotter` trait (which is very similar to containerd's
-[Snapshotter](https://github.com/containerd/containerd/blob/main/snapshots/snapshotter.go) interface).
+[Snapshotter](https://github.com/containerd/containerd/blob/main/core/snapshots/snapshotter.go) interface).
 
 ```rust,ignore
 use std::collections::HashMap;