Filecoin Pin: fix image references in dapp-demo.md

Updated image references in dapp-demo.md to ensure proper display.

Author: BigLep

builder-cookbook/filecoin-pin/dapp-demo.md

@@ -74,7 +74,7 @@ The magic happens in one key file [**`src/hooks/use-filecoin-upload.ts`**](https
 - **Create CAR** - Converts your file to an IPFS CAR (Content Addressed aRchive) file.
 - **Upload** - Sends the CAR file to a Filecoin Storage Provider (SP).
 
-    ![](./assets/pinapp-upload.gif)
+![](./assets/pinapp-upload.gif)
 
 ### Step 2: Announce CIDs and confirm the transaction
 
@@ -83,19 +83,19 @@ The Filecoin SP:
 - indexes the IPFS CAR file and publishes all the contained CIDs to the IPFS network via IPNI.
 - commits to the Filecoin network via onchain transactions to store the data. Once the transaction is confirmed, your data is paid to be persisted on Filecoin.
 
-    ![](./assets/pinapp-publish.gif)
+![](./assets/pinapp-publish.gif)
 
 ### Step 3: Download the data
 
 Your data is available from both the IPFS Mainnet network using standard traditional IPFS tooling and/or directly from Filecoin SPs.
 
-    ![](./assets/pinapp-download.gif)
+![](./assets/pinapp-download.gif)
 
 ### **Step 4: Verify your data storage**
 
 Filecoin storage providers submit cryptographic proofs regularly onchain to prove that they are storing your data, and you can verify and see it for yourself [on the PDP Scan](https://pdp.vxb.ai/calibration).
 
-    ![](./assets/pinapp-viewproof.gif)
+![](./assets/pinapp-viewproof.gif)
 
 That is it - you now have a dapp with a drag-and-drop interface to store IPFS Files on Filecoin!
 
@@ -104,4 +104,4 @@ That is it - you now have a dapp with a drag-and-drop interface to store IPFS Fi
 1. Check back on the [filecoin-pin-website repo](https://github.com/filecoin-project/filecoin-pin-website) - it will continue to be updated as new functionality is brought to filecoin-pin.
 2. Feel free to report any issues with the dApp demo to https://github.com/filecoin-project/filecoin-pin-website/issues
 3. Check out the the [other example uses of filecoin-pin](../).
-4. Ask questions or get help with filecoin-pin in the [supported communcation channels](https://github.com/filecoin-project/filecoin-pin?tab=readme-ov-file#support-info).
+4. Ask questions or get help with filecoin-pin in the [supported communcation channels](https://github.com/filecoin-project/filecoin-pin?tab=readme-ov-file#support-info).