add celer adapters

adapters/celer/README.md

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+# CELER - TVL by User
+
+In this repo you will find the code responsible to get data from the celer pool the TVL by users.
+The main scripts is generating a output as CSV
+
+## How to execute this project?
+
+```
+npm install // install all packages
+npm run start // other terminal tab
+```
+
+Now you can see the outputData.csv file. That's it.

adapters/celer/package.json

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+{
+  "name": "celer",
+  "version": "1.0.0",
+  "private": true,
+  "type": "module",
+  "dependencies": {
+    "fast-csv": "^5.0.1"
+  },
+  "scripts": {
+    "start": "node dist/index.js",
+    "dev": "node src/index.js"
+  },
+  "browserslist": {
+    "production": [
+      ">0.2%",
+      "not dead",
+      "not op_mini all"
+    ],
+    "development": [
+      "last 1 chrome version",
+      "last 1 firefox version",
+      "last 1 safari version"
+    ]
+  }
+}

adapters/celer/src/index.js

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+import { write } from "fast-csv";
+import fs from "fs";
+
+const exportCSV = async (blockNumber, blockTimestamp) => {
+  console.log("downloading...");
+  const csvRows = [];
+  const res = await fetch(
+    `https://cbridge-prod2.celer.app/v1/getLineaLiquiditySnapshot?linea_block_number=${blockNumber}&linea_block_timestamp=${blockTimestamp}`
+  );
+  const resData = await res.json();
+  resData.entries?.forEach((item) => {
+    csvRows.push({
+      user: "0x" + item.user_address,
+      pool: item.token_address,
+      block: blockNumber,
+      lpvalue: item.token_balance,
+    });
+  });
+  // Write the CSV output to a file
+  const ws = fs.createWriteStream("outputData.csv");
+  write(csvRows, { headers: true })
+    .pipe(ws)
+    .on("finish", () => {
+      console.log("CSV file has been written.");
+    });
+};
+
+exportCSV(19506984, 1711429021);