Add to functions in aws-config a link to documentation on default c…

…onfigs (#3694)

## Motivation and Context
aws-sdk-rust#1162

## Testing
Tests in CI

## Checklist
- [x] I have updated `CHANGELOG.next.toml` if I made changes to the AWS
SDK, generated SDK code, or SDK runtime crates

----

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copy, and redistribute this contribution, under the terms of your
choice._

CHANGELOG.next.toml

@@ -9,4 +9,10 @@
 # message = "Fix typos in module documentation for generated crates"
 # references = ["smithy-rs#920"]
 # meta = { "breaking" = false, "tada" = false, "bug" = false, "target" = "client | server | all"}
-# author = "rcoh"
+# author = "rcoh"
+
+[[aws-sdk-rust]]
+message = "Add documentation on the default configuration to `from_env`, `load_from_env`, `defaults`, and `load_from_defaults` in the `aws-config` crate."
+references = ["aws-sdk-rust#1162"]
+meta = { "breaking" = false, "tada" = false, "bug" = false }
+author = "ysaito1001"

aws/rust-runtime/aws-config/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "aws-config"
-version = "1.5.1"
+version = "1.5.2"
 authors = [
     "AWS Rust SDK Team <[email protected]>",
     "Russell Cohen <[email protected]>",

aws/rust-runtime/aws-config/src/lib.rs

@@ -145,6 +145,8 @@ pub mod web_identity_token;
 ///
 /// This loader will always set [`BehaviorVersion::latest`].
 ///
+/// For more information about default configuration, refer to the AWS SDKs and Tools [shared configuration documentation](https://docs.aws.amazon.com/sdkref/latest/guide/creds-config-files.html).
+///
 /// # Examples
 /// ```no_run
 /// # async fn create_config() {
@@ -159,6 +161,8 @@ pub fn from_env() -> ConfigLoader {
 /// Load default configuration with the _latest_ defaults.
 ///
 /// Convenience wrapper equivalent to `aws_config::load_defaults(BehaviorVersion::latest()).await`
+///
+/// For more information about default configuration, refer to the AWS SDKs and Tools [shared configuration documentation](https://docs.aws.amazon.com/sdkref/latest/guide/creds-config-files.html).
 #[cfg(feature = "behavior-version-latest")]
 pub async fn load_from_env() -> SdkConfig {
     from_env().load().await
@@ -184,6 +188,8 @@ pub async fn load_from_env() -> SdkConfig {
 
 /// Create a config loader with the defaults for the given behavior version.
 ///
+/// For more information about default configuration, refer to the AWS SDKs and Tools [shared configuration documentation](https://docs.aws.amazon.com/sdkref/latest/guide/creds-config-files.html).
+///
 /// # Examples
 /// ```no_run
 /// # async fn create_config() {
@@ -201,6 +207,8 @@ pub fn defaults(version: BehaviorVersion) -> ConfigLoader {
 /// Load default configuration with the given behavior version.
 ///
 /// Convenience wrapper equivalent to `aws_config::defaults(behavior_version).load().await`
+///
+/// For more information about default configuration, refer to the AWS SDKs and Tools [shared configuration documentation](https://docs.aws.amazon.com/sdkref/latest/guide/creds-config-files.html).
 pub async fn load_defaults(version: BehaviorVersion) -> SdkConfig {
     defaults(version).load().await
 }