add DeepSea dashboard app

deepsea/data/config.json

@@ -0,0 +1,7 @@
+{
+    "power_cost": 0.0,
+    "power_usage": 0.0,
+    "wallet": "yourwallethere",
+    "timezone": "America/Los_Angeles",
+    "network_fee": 0.0
+  }

deepsea/docker-compose.yml

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+version: "3.7"
+
+services:
+  app_proxy:
+    environment:
+      APP_HOST: deepsea_deepsea_1
+      APP_PORT: 5300
+
+  deepsea:
+    image: ghcr.io/retropex/custom-dashboard-ocean:v0.9.2@sha256:913a0521c37ed78636aaa3a6bfd7902cfd2d590cfe358571291f1dfe6cfa992d
+    user: 1000:1000
+    restart: on-failure
+    volumes:
+      - ${APP_DATA_DIR}/data/:/app/data/

deepsea/umbrel-app.yml

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+manifestVersion: 1.1
+id: deepsea
+category: bitcoin
+name: DeepSea Dashboard
+version: "0.9.2"
+tagline: Retro style Ocean dashboard
+icon: ""
+description: >-
+  Customized Ocean.xyz Bitcoin Mining Pool Dashboard
+  
+
+  (This community project is not affiliated with OCEAN)
+developer: DJ O₿leezy
+website: https://github.com/Djobleezy/DeepSea-Dashboard.git
+dependencies: []
+repo: https://github.com/Djobleezy/DeepSea-Dashboard.git
+support: https://github.com/Djobleezy/DeepSea-Dashboard/issues
+port: 5300
+gallery: ""
+path: ""
+releaseNotes: ""
+submitter: Léo Haf
+submission: https://github.com/getumbrel/umbrel-apps/pull/2635