Initial ChirpStack Gateway Relay implementation.

.github/FUNDING.yml

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+github: chirpstack

.github/dependabot.yml

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+# Please see the documentation for all configuration options:
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  - package-ecosystem: "cargo"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/main.yml

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+name: CI
+on:
+  push:
+    branches:
+      - '*'
+    tags:
+      - 'v*'
+  pull_request:
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      - 
+        name: Install Nix
+        uses: cachix/install-nix-action@v22
+        with:
+          nix_path: nixpkgs=channel:nixos-23.05
+      -
+        name: Cargo cache
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cargo/bin/
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            ~/.cargo/git/db/
+            target/
+          key: ${{ runner.os }}-cargo-test-${{ hashFiles('**/Cargo.lock') }}
+      -
+        name: Run tests
+        run: nix-shell --command "make test"
+
+  dist:
+    needs: tests
+    runs-on: ubuntu-latest
+    if: startsWith(github.ref, 'refs/tags/v')
+    strategy:
+      matrix:
+        target:
+          - x86_64-unknown-linux-musl
+          - aarch64-unknown-linux-musl
+          - armv5te-unknown-linux-musleabi
+          - armv7-unknown-linux-musleabihf
+          - mips-unknown-linux-musl
+          - mipsel-unknown-linux-musl
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      - 
+        name: Install Nix
+        uses: cachix/install-nix-action@v22
+        with:
+          nix_path: nixpkgs=channel:nixos-23.05
+      -
+        name: Cargo cache
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cargo/bin/
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            ~/.cargo/git/db/
+            target/
+          key: ${{ runner.os }}-cargo-dist-${{ matrix.target }}-${{ hashFiles('**/Cargo.lock') }}
+      -
+        name: Build distributables
+        run: nix-shell --command "make dist-${{ matrix.target }}"
+      -
+        name: Configure AWS credentials
+        uses: aws-actions/configure-aws-credentials@v1
+        with:
+          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          aws-region: eu-west-1
+      -
+        name: Upload binaries to S3
+        run: |
+          aws s3 sync dist s3://builds.loraserver.io/chirpstack-gateway-relay
+        if: startsWith(github.ref, 'refs/tags/v')

.vscode/settings.json

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+{
+    "nixEnvSelector.nixFile": "${workspaceRoot}/shell.nix",
+    "rust-analyzer.showUnlinkedFileNotification": false
+}