Set up oauth directory module and add Cargo dependencies\n\nTask ID: task-1.5-oauth-module-setup

Author: vikrantpuppala

rust/Cargo.lock

@@ -65,7 +65,9 @@ async-trait = "0.1"
 thiserror = "2"
 
 # OAuth dependencies
+oauth2 = "5"         # OAuth 2.0 protocol operations (PKCE, token exchange, client credentials)
 sha2 = "0.10"        # SHA-256 for token cache key generation
+open = "5"           # Browser launch for interactive OAuth flows
 dirs = "5"           # Cross-platform config directory (~/.config/)
 
 [dev-dependencies]

rust/Cargo.toml

@@ -1,3 +1,19 @@
+<!--
+  Copyright (c) 2025 ADBC Drivers Contributors
+
+  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.
+-->
+
 # Sprint Plan: OAuth U2M + M2M Implementation
 
 **Sprint dates:** 2026-03-07 to 2026-03-20

rust/docs/designs/oauth-sprint-plan.md

@@ -1,3 +1,19 @@
+<!--
+  Copyright (c) 2025 ADBC Drivers Contributors
+
+  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.
+-->
+
 # OAuth Authentication Design: U2M and M2M Flows
 
 ## Overview