added automatic example readme

Makefile

@@ -10,5 +10,8 @@ example/%.stl: example/%.scad
 example/%.png: example/%.scad
 	openscad $< --autocenter --viewall --imgsize=640,480 -o $@
 
-.PHONY: all
+.PHONY: all gen_example_readme
 all: $(STL) $(PNG)
+
+gen_example_readme:
+	python3 example/gen_readme.py $(SCAD:.scad=) > example/README.md

example/README.md

-![](tile_T24_2mm.png)
-![](tile_T24_5mm.png)
-![](tile_T24_5mm_centered.png)
-![](tile_T36_5mm.png)
-![](tile_raw_plate_T24_2x3_2mm.png)
-![](tile_H_T24_5mm.png)
-![](tile_sandwitch.png)
+# Gallery of tile examples
+## example/tile_T24_5mm.scad
+![example/tile_T24_5mm](example/tile_T24_5mm.png)
+## example/tile_T36_5mm.scad
+![example/tile_T36_5mm](example/tile_T36_5mm.png)
+## example/tile_T24_5mm_centered.scad
+![example/tile_T24_5mm_centered](example/tile_T24_5mm_centered.png)
+## example/tile_sandwitch.scad
+![example/tile_sandwitch](example/tile_sandwitch.png)
+## example/tile_T24_2mm.scad
+![example/tile_T24_2mm](example/tile_T24_2mm.png)
+## example/tile_H_T24_5mm.scad
+![example/tile_H_T24_5mm](example/tile_H_T24_5mm.png)
+## example/tile_raw_plate_T24_2x3_2mm.scad
+![example/tile_raw_plate_T24_2x3_2mm](example/tile_raw_plate_T24_2x3_2mm.png)

example/gen_readme.py

+#!/usr/bin/env python3
+import sys
+
+args = sys.argv[1:]
+
+print("# Gallery of tile examples")
+
+for arg in args:
+    print("## " + arg + ".scad")
+    print("![" + arg + "](" + arg + ".png)")