Add GitHub actions to build and run REUSE

.github/workflows/main.yml

@@ -0,0 +1,22 @@
+name: Main
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Build
+      run: cargo build --verbose
+    - name: REUSE Compliance Check
+      uses: fsfe/reuse-action@v3

.reuse/dep5

@@ -3,6 +3,6 @@ Upstream-Name: libphysis
 Upstream-Contact: Joshua Goins <josh@redstrate.com>
 Source: https://git.sr.ht/~redstrate/libphysis
 
-Files: README.md .build.yml deny.toml Cargo.toml Cargo.lock
+Files: README.md .build.yml deny.toml Cargo.toml Cargo.lock .github/*
 Copyright: Joshua Goins <josh@redstrate.com>
-License: CC0-1.0
+License: CC0-1.0