Move firmware to release

.github/workflows/release.yml

@@ -0,0 +1,33 @@
+name: Release
+
+on:
+  push:
+    branches: [ main ]
+
+jobs:
+  compile-and-release:
+    name: Compile & release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Set up Nix
+        uses: cachix/install-nix-action@v15
+        with:
+          nix_path: nixpkgs=channel:nixos-unstable
+      - name: Print nixpkgs version
+        run: |
+          nix-instantiate --eval -E '"nixpkgs version: ${(import <nixpkgs> {}).lib.version}"'
+
+      - name: Compile
+        run: nix-shell --run compile
+
+      - name: Create tag
+        uses: fregante/daily-version-action@v1
+
+      - name: Publish release
+        uses: softprops/action-gh-release@v1
+        with:
+          files: |
+            .build/firmware.hex

.gitignore

@@ -1,4 +1,5 @@
 /**/*[~#]
 /**/.*
+!/**/.github
 !/**/.gitignore
 !/**/.vscode