build: add bindings ts tests to ci

Add tests from #11 which didn't make it into stellar#973 due to the quickstart image not starting properly in CI.

Adding this directly to stellar#973 was costing too much time. We can troubleshoot quickstart issues here.

.github/workflows/bindings-ts.yml

@@ -0,0 +1,46 @@
+
+name: bindings typescript
+
+on:
+  push:
+    branches: [main, release/**]
+  pull_request:
+
+jobs:
+  test:
+    name: test generated libraries
+    runs-on: ubuntu-22.04
+    services:
+      rpc:
+        image: stellar/quickstart:soroban-dev@sha256:0ad51035cf7caba2fd99c7c1fad0945df6932be7d5c893e1520ccdef7d6a6ffe
+        ports:
+          - 8000:8000
+        env:
+          ENABLE_LOGS: true
+          NETWORK: local
+          ENABLE_SOROBAN_RPC: true
+        options: >-
+          --health-cmd "curl --no-progress-meter --fail-with-body -X POST \"http://localhost:8000/soroban/rpc\" -H 'Content-Type: application/json' -d '{\"jsonrpc\":\"2.0\",\"id\":8675309,\"method\":\"getNetwork\"}' && curl --no-progress-meter \"http://localhost:8000/friendbot\" | grep '\"invalid_field\": \"addr\"'"
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 50
+    steps:
+    - run: echo $CARGO_TARGET_DIR
+    - uses: actions/checkout@v3
+    - uses: actions/cache@v3
+      with:
+        path: |
+          ~/.cargo/bin/
+          ~/.cargo/registry/index/
+          ~/.cargo/registry/cache/
+          ~/.cargo/git/db/
+          target/
+        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+    - run: rustup update
+    - run: cargo build
+    - run: rustup target add wasm32-unknown-unknown
+    - run: make build-test-wasms
+    - run: ./soroban config identity fund --network standalone
+      working-directory: cmd/crates/soroban-spec-typescript/ts-tests
+    - run: npm ci && npm run test
+      working-directory: cmd/crates/soroban-spec-typescript/ts-tests