let's have a workflow

.github/workflows/build.yml

@@ -0,0 +1,48 @@
+name: Build cr100
+
+on:
+  push:
+  pull_request:
+  release:
+    types: [published]
+  check_suite:
+    types: [rerequested]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        filter: "blob:none"
+        fetch-depth: 0
+        submodules: true
+
+    - uses: carlosperate/arm-none-eabi-gcc-action@v1
+      with:
+        # When changing this update what Windows grabs too!
+        release: '13.3.Rel1'
+
+    - run:
+        make -j$(nproc) dist
+
+    - uses: actions/upload-artifact@v4
+      with:
+        name: cr100
+        path: dist/
+        if-no-files-found: error
+
+  pre-commit:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: false
+
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.x'
+
+    - name: pre-commit
+      run: pip install pre-commit && pre-commit run --all

.pre-commit-config.yaml

@@ -6,7 +6,7 @@
 
 repos:
 - repo: https://github.com/pre-commit/pre-commit-hooks
-  rev: v4.0.1
+  rev: v5.0.0
   hooks:
   - id: check-yaml
   - id: end-of-file-fixer

Makefile

@@ -3,7 +3,7 @@ all: uf2
 
 .PHONY: clean
 clean:
-	rm -rf build
+	rm -rf build dist
 
 build/Makefile:
 	cmake -S . -B build
@@ -19,7 +19,7 @@ uf2: | build/Makefile
 	$(MAKE) -C build
 
 .PHONY: flash
-flash: build/cr100.uf2
+flash: uf2
 	$(MAKE) -C build
 	_douf2 RPI-RP2 build/cr100.uf2 /dev/serial/by-id/usb-Raspberry_Pi_Pico_*-if00
 
@@ -28,3 +28,11 @@ flash: build/cr100.uf2
 # database.
 install-terminfo:
 	tic -v cr100.terminfo
+
+.PHONY: dist
+dist: uf2
+	rm -rf dist
+	mkdir -p dist/bin dist/terminfo
+	cp build/cr100.uf2 dist/bin/
+	cp build/cr100.elf dist/bin
+	tic -o dist/terminfo cr100.terminfo

mkfont/adafruit_bitmap_font/__init__.py

@@ -1,5 +1,6 @@
 from dataclasses import dataclass
 
+
 class Bitmap:
     def __init__(self, width, height, color_count):
         self.width = width