Add preference file

Put it to $HOME folder: ~/.stocks.yaml

.stocks.yaml

@@ -0,0 +1,18 @@
+watchlist:
+  - ^FCHI
+  - AC.PA
+  - ALCLS.PA
+  - ATO.PA
+  - AUB.PA
+  - CS.PA
+  - DG.PA
+  - ORA.PA
+  - VIRP.PA
+  - WLN.PA
+lots:
+  - symbol: "ALCLS.PA"
+    quantity: 624.0
+    unit_cost: 32.164
+  - symbol: "ORA.PA"
+    quantity: 700.0
+    unit_cost: 9.426