Add test Makefiles for IDEs

Add Wizard test script

test/pico-sdk/Makefile

@@ -0,0 +1,18 @@
+PROJECTS ?= $(wildcard ../../examples/rp2040/*-sdk-*)
+
+all: $(PROJECTS)
+	echo 
+
+$(PROJECTS): pico-sdk
+	(make -C $@ build && make -C $@ clean) || ( \
+	ln -s $(PWD)/pico-sdk $@/pico-sdk && \
+	cd $@ && rm -rf build && mkdir -p build && \
+	cd build && cmake -G "Unix Makefiles" .. && make && \
+	rm -rf build pico-sdk )
+
+pico-sdk:
+	git clone --depth 1 -b 1.5.1 https://github.com/raspberrypi/pico-sdk $@
+	cd $@ && git submodule update --init
+
+clean:
+	rm -rf pico-sdk