feat: OAuth (#219)

* WIP: Add OAuth resolvers

* WIP: Add DpopClient

* Add PKSC, exchange code

* Update http_client, use generics

* Update config for client and resolvers

* Unify resolver traits

* Update

* Implement client authentication

* Remove k256, use jose methods for dpop request

* Support wasm32

* Update resolvers, add examples for oauth

* Update resolver config

* Add DohDnsTxtResolver as optional

* Update store

* Move to atrium-identity, add cached_resolver

* Add workflows

* Add wasm32 cached_resolver

* Add wasm workflows

* identity: Add throttled_resolver

* Update atrium-identity

* Update oauth-client

* Update resolvers

* Fix SimpleStore trait

Author: sugyan

Diff for: .github/workflows/identity.yml

@@ -0,0 +1,23 @@
+name: Identity
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build
+        run: |
+          cargo build -p atrium-identity --verbose
+      - name: Run tests
+        run: |
+          cargo test -p atrium-identity --lib
+          cargo test -p atrium-identity --lib --no-default-features --features doh-handle-resolver

Diff for: .github/workflows/oauth-client.yml

@@ -0,0 +1,23 @@
+name: OAuth Client
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build
+        run: |
+          cargo build -p atrium-oauth-client --verbose
+      - name: Run tests
+        run: |
+          cargo test -p atrium-oauth-client --lib
+          cargo test -p atrium-oauth-client --lib --no-default-features

Diff for: .github/workflows/wasm.yml

@@ -66,3 +66,4 @@ jobs:
       - run: wasm-pack test --node atrium-api
       - run: wasm-pack test --node atrium-xrpc
       - run: wasm-pack test --node atrium-xrpc-client
+      - run: wasm-pack test --node atrium-oauth/identity