Add oracle local price cache

oracle/price_cache.json

@@ -0,0 +1,62 @@
+{
+  "version": "0.1",
+  "updated_at": null,
+  "status": "empty",
+  "assets": {
+    "USDC_ARB": {
+      "symbol": "USDC",
+      "chain": "arbitrum",
+      "price_usd": null,
+      "price_cad": null,
+      "source": null,
+      "source_status": null,
+      "updated_at": null,
+      "age_seconds": null,
+      "stale": true
+    },
+    "ETH_ETH": {
+      "symbol": "ETH",
+      "chain": "ethereum",
+      "price_usd": null,
+      "price_cad": null,
+      "source": null,
+      "source_status": null,
+      "updated_at": null,
+      "age_seconds": null,
+      "stale": true
+    },
+    "ETHO_ETHO": {
+      "symbol": "ETHO",
+      "chain": "etho",
+      "price_usd": null,
+      "price_cad": null,
+      "source": null,
+      "source_status": null,
+      "updated_at": null,
+      "age_seconds": null,
+      "stale": true
+    },
+    "EGAZ_ETICA": {
+      "symbol": "EGAZ",
+      "chain": "etica",
+      "price_usd": null,
+      "price_cad": null,
+      "source": null,
+      "source_status": null,
+      "updated_at": null,
+      "age_seconds": null,
+      "stale": true
+    },
+    "ETI_ETICA": {
+      "symbol": "ETI",
+      "chain": "etica",
+      "price_usd": null,
+      "price_cad": null,
+      "source": null,
+      "source_status": null,
+      "updated_at": null,
+      "age_seconds": null,
+      "stale": true
+    }
+  }
+}