Add routing support to management service (#424)

Management will receive and store routes that are associated with a peer ID.
The routes are distributed to peers according to their ACLs.

.github/workflows/golangci-lint.yml

@@ -6,12 +6,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-
+      - name: Install Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.18.x
       - name: Install dependencies
         run: sudo apt update && sudo apt install -y -q libgtk-3-dev libappindicator3-dev libayatana-appindicator3-dev libgl1-mesa-dev xorg-dev
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v2
         with:
-          args: --timeout=6m
+          #  SA1019: "io/ioutil" has been deprecated since Go 1.16
+          args: --timeout=6m -e SA1019