docs(store): add STORE.yaml, MODULE.md/de + icon for the store

Signed-off-by: flemming-it <sf@flemming.it>

MODULE.md

@@ -0,0 +1,21 @@
+# graph.shapley_attribution
+
+Shapley-style attribution on weighted graphs
+
+## What it does
+
+Splits a target node's blame or credit among its ancestors on a weighted norm/citation graph. v0.1 proportional fallback; v0.2 full Shapley value for ≤32-node neighbourhoods.
+
+## How to use
+
+```yaml
+steps:
+  - id: step
+    use: graph.shapley_attribution@^0
+    with:
+      # see inputs in module.yaml
+```
+
+## License
+
+Apache-2.0 — part of the Recl∆Im module set (Flemming.AI), built on Ch∆In.