Migrate CI to actions, build artifacts (#89)

* Create go workflow

* Delete travis config

* Update build script

* Create apple workflow

* Create android workflow

Co-authored-by: marin thiercelin <marin.thiercelin@pm.me>

.github/workflows/android.yml

@@ -0,0 +1,33 @@
+name: Gomobile for Android
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    name: Build library for Android with gomobile
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Set up JDK 1.8
+      uses: actions/setup-java@v1
+      with:
+        java-version: 1.8
+
+    - name: Checkout
+      uses: actions/checkout@v2
+
+    - name: Build
+      run: |
+        ./build.sh android
+        find build
+
+    - name: Upload Android artifacts
+      uses: actions/upload-artifact@v2
+      with:
+        name: Android build
+        path: build/android
+        if-no-files-found: error

.github/workflows/go.yml

@@ -0,0 +1,38 @@
+name: Go test and lint
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: Set up Go 1.x
+      uses: actions/setup-go@v2
+      with:
+        go-version: ^1.13
+      id: go
+
+    - name: Check out code into the Go module directory
+      uses: actions/checkout@v2
+
+    - name: Get dependencies
+      run: |
+        go get -v -t -d ./...
+        if [ -f Gopkg.toml ]; then
+            curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
+            dep ensure
+        fi
+        go install github.com/golangci/golangci-lint/cmd/golangci-lint
+
+    - name: Test
+      run: go test -v -race ./...
+
+    - name: Lint
+      run: golangci-lint run ./...

.github/workflows/ios.yml

@@ -0,0 +1,70 @@
+name: Gomobile for iOS
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    name: Build library for iOS with gomobile
+    runs-on: macos-latest
+
+    steps:
+      - name: Set up xcode 12.2
+        uses: maxim-lobanov/setup-xcode@v1
+        with:
+          xcode-version: 12.2
+        id: xcode
+
+      - name: Set up Go 1.15
+        uses: actions/setup-go@v2
+        with:
+          go-version: ^1.15
+        id: go
+
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Build
+        env:
+          platform: ${{ 'iOS Simulator' }}
+        run: |
+          ./build.sh apple
+          find build
+
+      - name: Upload iOS artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: iOS build
+          path: build/ios
+          if-no-files-found: error
+
+      - name: Upload mac OS artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: mac OS build
+          path: build/macos
+          if-no-files-found: error
+
+      - name: Upload mac OS ui artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: mac OS ui build
+          path: build/macos-ui
+          if-no-files-found: error
+
+      - name: Upload iOS simulator artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: iOS simulator build
+          path: build/ios-simulator
+          if-no-files-found: error
+
+      - name: Upload xcframework
+        uses: actions/upload-artifact@v2
+        with:
+          name: Gopenpgp xcframework
+          path: build/Gopenpgp.xcframework
+          if-no-files-found: error