feat: add webdav driver

pkg/gowebdav/Makefile

@@ -0,0 +1,33 @@
+BIN := gowebdav
+SRC := $(wildcard *.go) cmd/gowebdav/main.go
+
+all: test cmd
+
+cmd: ${BIN}
+
+${BIN}: ${SRC}
+	go build -o $@ ./cmd/gowebdav
+
+test:
+	go test -v --short ./...
+
+api:
+	@sed '/^## API$$/,$$d' -i README.md
+	@echo '## API' >> README.md
+	@godoc2md github.com/studio-b12/gowebdav | sed '/^$$/N;/^\n$$/D' |\
+	sed '2d' |\
+	sed 's/\/src\/github.com\/studio-b12\/gowebdav\//https:\/\/github.com\/studio-b12\/gowebdav\/blob\/master\//g' |\
+	sed 's/\/src\/target\//https:\/\/github.com\/studio-b12\/gowebdav\/blob\/master\//g' |\
+	sed 's/^#/##/g' >> README.md
+
+check:
+	gofmt -w -s $(SRC)
+	@echo
+	gocyclo -over 15 .
+	@echo
+	golint ./...
+
+clean:
+	@rm -f ${BIN}
+
+.PHONY: all cmd clean test api check