docs: Build with mdBook

Signed-off-by: Tim Crawford <tcrawford@system76.com>

Makefile

@@ -66,6 +66,10 @@ include $(ARCH_DIR)/toolchain.mk
 # The architecture defines build targets, no more is required
 endif
 
+.PHONY: docs
+docs:
+	mdbook build docs/
+
 .PHONY: clean
 clean:
 	rm -rf $(obj)

docs/SUMMARY.md

@@ -0,0 +1,10 @@
+# Summary
+
+- [Index](./index.md)
+- [Development environment](./dev-env.md)
+- [Adding a new board](./adding-a-new-board.md)
+- [Supported controllers](./controllers.md)
+- [Debugging](./debugging.md)
+- [Flashing](./flashing.md)
+- [Custom keyboard layouts](./keyboard-layout-customization.md)
+- [Mega2560](./mega2560.md)

docs/book.toml

@@ -0,0 +1,20 @@
+# SPDX-License-Identifier: GPL-3.0-only
+
+[book]
+title = "System76 EC"
+description = "System76 EC documentation"
+language = "en"
+src = "."
+
+[build]
+build-dir = "../build/docs"
+create-missing = false
+
+[output.html]
+default-theme = "rust"
+preferred-dark-theme = "coal"
+no-section-label = true
+git-repository-url = "https://github.com/system76/ec"
+
+[output.html.print]
+enable = false