Add LnVisualizer app (#19)

Co-authored-by: Luke Childs <lukechilds123@gmail.com>

ln-visualizer/docker-compose.yml

@@ -0,0 +1,35 @@
+version: "3.7"
+
+services:
+  app_proxy:
+    environment:
+      APP_HOST: $APP_LN_VISUALIZER_WEB_IP
+      APP_PORT: 80
+
+  web:
+    image: maxkotlan/ln-visualizer-web:v0.0.23@sha256:4f43a46bae95245e7c271416b5ebadff2384a03b2ee9a9b3d3aea44043a9ce99
+    init: true
+    restart: on-failure
+    stop_grace_period: 1m
+    environment:
+      LN_VISUALIZER_API_URL: "http://${APP_LN_VISUALIZER_API_IP}:5647"
+    networks:
+      default:
+        ipv4_address: "${APP_LN_VISUALIZER_WEB_IP}"
+
+  api:
+    image: maxkotlan/ln-visualizer-api:v0.0.23@sha256:db7916921d9a5d354038715fb9b5f4256369192660f2989bbd49276ccaf3eb7e
+    init: true
+    restart: on-failure
+    stop_grace_period: 1m
+    user: 1000:1000
+    volumes:
+      - "${APP_LIGHTNING_NODE_DATA_DIR}:/lnd:ro"
+    environment:
+      LND_CERT_FILE: "/lnd/tls.cert"
+      LND_MACAROON_FILE: "/lnd/data/chain/bitcoin/${APP_BITCOIN_NETWORK}/readonly.macaroon"
+      LND_SOCKET: "${APP_LIGHTNING_NODE_IP}:${APP_LIGHTNING_NODE_GRPC_PORT}"
+
+    networks:
+      default:
+        ipv4_address: "${APP_LN_VISUALIZER_API_IP}"

ln-visualizer/exports.sh

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+export APP_LN_VISUALIZER_WEB_IP="10.21.21.102"
+export APP_LN_VISUALIZER_API_IP="10.21.21.103"

ln-visualizer/umbrel-app.yml

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+manifestVersion: 1
+id: ln-visualizer
+category: Explorers
+name: LnVisualizer
+version: "0.0.23"
+tagline: View the Lightning Network from your node's perspective
+description:
+  Your Lightning node is continuously receiving, storing, and transmitting graph information.
+  LnVisualizer takes this data and transforms it into an interactive, 3D graph.
+  Search for nodes, filter the graph, and write custom queries to help understand your position in the network.
+
+developer: Max Kotlan
+website: https://lnvisualizer.com
+dependencies:
+  - lightning
+repo: https://github.com/MaxKotlan/LN-Visualizer
+support: lnvisualizer@gmail.com
+port: 5646
+gallery:
+  - 1.jpg
+  - 2.jpg
+  - 3.jpg
+path: ""
+deterministicPassword: false
+torOnly: false