Add script to generate module diagram (#7028)

scripts/generateModuleDiagram.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+echo "digraph modules {" | tee /tmp/antennapod-modules.dot
+modules=$(find . -name "build.gradle")
+for modulePath in $modules; do
+  name=$(echo $modulePath | sed -E 's/\.\/?(.*)\/build\.gradle/:\1/g' | sed -E 's/\//:/g')
+  dependencies=$(cat $modulePath | sed -nE "s/[ ]*implementation project\\(['\"](.*)['\"]\\)/\\1/p")
+  for dependency in $dependencies; do
+    echo "\"$name\" -> \"$dependency\";" | tee --append /tmp/antennapod-modules.dot
+  done
+done
+echo "}" | tee --append /tmp/antennapod-modules.dot
+
+tred /tmp/antennapod-modules.dot | dot -Tpng > moduleDiagram.png
+rm /tmp/antennapod-modules.dot
+echo "Wrote to moduleDiagram.png"