.github: Add workflow for Golang (#33)

.github/dependabot.yml

@@ -4,3 +4,7 @@ updates:
     directory: "/rust"
     schedule:
       interval: "daily"
+  - package-ecosystem: "gomod"
+    directory: "/golang"
+    schedule:
+      interval: "daily"

.github/workflows/makefile.yml

@@ -0,0 +1,29 @@
+on: [push, pull_request]
+name: makefile
+
+jobs:
+  make:
+    runs-on: ubuntu-latest
+    name: Build
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+
+      - uses: actions/setup-go@v2
+        with:
+          go-version: "1.16.x"
+      - name: Check that go.mod is tidy
+        run: |
+          cd golang
+          go mod tidy
+          if [[ -n $(git ls-files --other --exclude-standard --directory -- go.sum) ]]; then
+            echo "go.sum was added by go mod tidy"
+            exit 1
+          fi
+          git diff --exit-code -- go.sum go.mod
+      - name: Make
+        run: make

.github/workflows/rust.yml

@@ -1,6 +1,6 @@
 on: [push, pull_request]
 
-name: Continuous integration
+name: rust
 
 jobs:
   check:

golang/go.mod

@@ -7,6 +7,5 @@ require (
 	github.com/libp2p/go-libp2p-core v0.5.3
 	github.com/libp2p/go-libp2p-noise v0.1.1
 	github.com/libp2p/go-libp2p-yamux v0.2.7
-	github.com/libp2p/go-tcp-transport v0.2.0
 	github.com/multiformats/go-multiaddr v0.2.1
 )