orb-relay-client (#39)

* chore(relay-client): skeleton of user facing api

* feat(relay-client): receiver skeleton

* feat(relay-client): retry skeleton

* feat(relay-client): send and ask

* test(relay-client): setup

* test(relay-client): connection test

* tests(relay-client): heartbeat, stop and conn attempt tests

* tests(relay-client): send and ask tests

* tests(relay-client): broken ask retry test

* docs(relay-client): add some doc comments

* chore(relay-client): change crate name to orb-relay-client

* tests(relay-client): e2e reply

* chore(relay-client): more error messages

* feat(relay-client): prepare support for different type of auth tokens

* docs(relay-client): doc comment for SendMessage

* chore(relay-client): clippy issues

* chore(relay-client): clipppppyyyyy

* chore(relay-client): c l i p p y

* chore(relay-client): commit hooks plz

* fix(relay-client): lack of proper connection attempt backoff

* chore: client clones itself instead of passing ref for msg.reply

* chore: add tests to github workflow

* chore(relay-client): fix fmt

* doc(relay-client): update flume receiver doc comments

.github/workflows/rust-ci.yaml

@@ -33,6 +33,21 @@ jobs:
       - name: Clippy lints
         run: cargo clippy --all --all-features --all-targets --no-deps -- -D warnings
 
+  test:
+    name: Test
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # pin@v4.1.7
+      - name: Cache cargo dependencies
+        uses: Swatinem/rust-cache@23bce251a8cd2ffc3c1075eaa2367cf899916d84 # pin@v2.7.3
+      - name: Install Protoc
+        uses: arduino/setup-protoc@c65c819552d16ad3c9b72d9dfd5ba5237b9c906b # pin@v3.0.0
+        with:
+          version: "24.1"
+
+      - name: Cargo test
+        run: cargo test --all --all-features
+
   doc:
     name: Docs
     runs-on: ubuntu-22.04