Add tools to automatically extract documentation

tools/extract_docs.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+MODULES_TARGET="docs/modules.md"
+MAIN_MD="docs/main.md"
+TARGET_MD="docs/index.md"
+
+rm -f "${MODULES_TARGET}"
+
+echo "Generate doc from iwla.py"
+python tools/extract_doc.py iwla.py > "${MODULES_TARGET}"
+
+echo "Generate plugins documentation"
+find plugins -name '*.py' -exec python tools/extract_doc.py \{\} \; >> "${MODULES_TARGET}"
+
+echo "Generate ${TARGET_MD}"
+cat "${MAIN_MD}" "${MODULES_TARGET}" > "${TARGET_MD}"