Migrate from Travis/Appveyor combo to GitHub actions (#104)

* Add a github actions workflow config (linux + windows build)
* Remove Travis config, migrated to Github Actions
* Remove AppVeyor configs, migrated to Github Actions

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

@@ -0,0 +1,34 @@
+name: build-and-test
+on: [pull_request, push]
+jobs:
+  linux:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-go@v2
+        with:
+          go-version: 1.17
+      - run: sudo apt-get install libusb-1.0-0-dev
+      - run: go install golang.org/x/tools/cmd/cover@latest
+      - run: go install golang.org/x/lint/golint@latest
+      - run: $HOME/go/bin/golint ./...
+      - run: sh ./.github/test-coverage.sh
+      - uses: shogo82148/actions-goveralls@v1
+        with:
+          path-to-profile: coverage.merged
+          ignore: libusb.go,error.go
+  windows:
+    runs-on: windows-2022
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-go@v2
+        with:
+          go-version: 1.17
+      - uses: msys2/setup-msys2@v2
+        with:
+          install: |-
+            mingw64/mingw-w64-x86_64-libusb
+            mingw64/mingw-w64-x86_64-pkg-config
+      - run: echo "D:\a\_temp\msys64\mingw64\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
+      - run: go test ./...
+      - run: go run ./lsusb