Documents how to compute dApp IDs via CLI

docs/oev-searchers/in-depth/data-feeds/index.md

@@ -189,7 +189,11 @@ hardcoded in the OEV proxies of the dApp.
 The ID has no meaning other than to group proxies of the same dApp together.
 
 Searchers can derive the dApp ID from the information provided in the
-[OEV dApps catalog](/oev-searchers/in-depth/#oev-dapps). Searchers can use [`unsafeComputeDappId`](https://github.com/api3dao/contracts/blob/52109d0d285d3ac485a2f0ed68bd7799e75a9722/src/proxy.ts#L57) from the `@api3/contracts` package.
+[OEV dApps catalog](/oev-searchers/in-depth/#oev-dapps).
+
+#### Programmatically
+
+Searchers can use [`unsafeComputeDappId`](https://github.com/api3dao/contracts/blob/52109d0d285d3ac485a2f0ed68bd7799e75a9722/src/proxy.ts#L57) from the `@api3/contracts` package.
 
 ::: info ℹ️ Example
 
@@ -202,6 +206,31 @@ const dTrinityDappId = unsafeComputeDappId('dtrinity', 252);
 
 :::
 
+#### Using the CLI
+
+Alternatively, you can use the `compute-dapp-id` command from the `@api3/contracts` package.
+
+::: info ℹ️ Example
+
+For the same example as above, run the following command:
+
+```sh
+npx @api3/contracts@latest compute-dapp-id \
+  --dapp-alias dtrinity \
+  --chain-id 252
+```
+
+The command will output:
+
+```
+dApp alias: dtrinity
+chain: Fraxtal
+
+• dApp ID: 16210721173577624589952893185091679941657223823840386808143855919126917477566
+```
+
+:::
+
 ### dApp sources
 
 Searchers need to know the proxy address and the underlying dAPI name used by