add github workflow (#32)

Summary:
sets up a github workflw to cargo build/test on ubuntu 22.04.

Pull Request resolved: #32

Reviewed By: dtolnay

Differential Revision: D52705848

Pulled By: shayne-fletcher

fbshipit-source-id: 9913d105a20dfa9f4a1fffd82323e8dbd9c0e596

.github/actions/setup_linux_env/action.yml

@@ -0,0 +1,17 @@
+name: Setup Linux environment
+description: |
+  Setup Linux environment for building and testing Reindeer.
+runs:
+  using: composite
+  steps:
+  - uses: SebRollen/[email protected]
+    id: read_rust_toolchain
+    with:
+      file: rust-toolchain
+      field: toolchain.channel
+  - uses: dtolnay/rust-toolchain@v1
+    with:
+      toolchain: ${{ steps.read_rust_toolchain.outputs.value }}
+  - uses: Swatinem/rust-cache@v2
+    with:
+      prefix-key: reindeer-upload

.github/workflows/build-and-test.yml

@@ -0,0 +1,12 @@
+name: Build and test
+on:
+  push:
+  pull_request:
+jobs:
+  linux-build-and-test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ./.github/actions/setup_linux_env
+      - run: cargo build --locked
+      - run: cargo test

rust-toolchain

@@ -0,0 +1,2 @@
+[toolchain]
+channel = "nightly-2023-10-01"