add a GHA workflow to run the tests

.github/workflows/gotest.yml

@@ -0,0 +1,27 @@
+on: [push, pull_request]
+name: Go Test
+
+jobs:
+  unit:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ "ubuntu" ]
+        go: [ "1.23.x", "1.24.x"]
+    env:
+      COVERAGES: ""
+    runs-on: ${{ matrix.os }}-latest
+    name: ${{ matrix.os}} (go ${{ matrix.go }})
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: ${{ matrix.go }}
+      - name: Go information
+        run: |
+          go version
+          go env
+      - name: Run tests
+        run: go test -v ./...
+      - name: Check formatted
+        run: gofmt -l .

README.md

@@ -1,9 +1,6 @@
 # go-varsig
 
-`go-varsig` implements the upcoming v1.0.0 release of the [`varsig` specification](https://github.com/ChainAgnostic/varsig/pull/18)
-with limited (and soon to be deprecated) support for the `varsig` < v1.0
-specification.  This is predominantly included to support the UCAN v1.0
-use-case.
+`go-varsig` is a go implementation of the [`varsig` specification](https://github.com/ChainAgnostic/varsig).
 
 Built with ❤️ by [Consensys](https://consensys.io/).
 
@@ -51,7 +48,7 @@ simulate the `docker` daemon:
 export DOCKER_HOST=unix:///var/run/podman/podman.sock
 ```
 
-Since there's only one workflow, the simplest command to test it is:
+The simplest command to test it is:
 
 ```bash
 act