feat: Implement NFT Tab for Eth (#1166)

* feat: Implement NFT Listing and Importing of new NFTs, also display NFTs linked to the wallet address

* Adjust UI based on wallet type, display nfts only when an ethereum wallet

* fix: Prevent tab bar from scrolling

* feat:Add NFT tab: adjust models and add localization

* feat:Add NFT tab: adjust models and add localization

* chore: Remove unused widget

* fix: Adjust UI to reflect more data, display image based on type, either png or svg, adjust theme-a

* fix: Update viewmodel

* fix: Add missing dependency to fix failing CI

* fix: Revert change in inject app script

* Delete cw_polygon/pubspec.lock

* - Code enhancements
- UI fixes
- Removing unrelated files

---------

Co-authored-by: Omar Hatem <omarh.ismail1@gmail.com>

lib/entities/wallet_nft_response.dart

@@ -0,0 +1,95 @@
+class WalletNFTsResponseModel {
+  final int? page;
+  final int? pageSize;
+
+  final List<NFTAssetModel>? result;
+  final String? status;
+
+  WalletNFTsResponseModel({this.page, this.pageSize, this.result, this.status});
+
+  factory WalletNFTsResponseModel.fromJson(Map<String, dynamic> json) {
+    return WalletNFTsResponseModel(
+      page: json['page'] as int?,
+      pageSize: json['page_size'] as int?,
+      result: (json['result'] as List?)
+          ?.map((x) => NFTAssetModel.fromJson(x as Map<String, dynamic>))
+          .toList(),
+      status: json['status'] as String?,
+    );
+  }
+}
+
+class NFTAssetModel {
+  final String? tokenAddress;
+  final String? tokenId;
+  final String? contractType;
+  final String? name;
+  final String? symbol;
+  NormalizedMetadata? normalizedMetadata;
+
+  NFTAssetModel(
+      {this.tokenAddress,
+      this.tokenId,
+      this.contractType,
+      this.name,
+      this.symbol,
+      this.normalizedMetadata});
+
+  factory NFTAssetModel.fromJson(Map<String, dynamic> json) {
+    return NFTAssetModel(
+      tokenAddress: json['token_address'] as String?,
+      tokenId: json['token_id'] as String?,
+      contractType: json['contract_type'] as String?,
+      name: json['name'] as String?,
+      symbol: json['symbol'] as String?,
+      normalizedMetadata: json['normalized_metadata'] != null
+          ? new NormalizedMetadata.fromJson(
+              json['normalized_metadata'] as Map<String, dynamic>)
+          : null,
+    );
+  }
+}
+
+class NormalizedMetadata {
+  final String? name;
+  final String? description;
+  final String? image;
+  NormalizedMetadata({
+    this.name,
+    this.description,
+    this.image,
+  });
+
+  factory NormalizedMetadata.fromJson(Map<String, dynamic> json) {
+    return NormalizedMetadata(
+      name: json['name'] as String?,
+      description: json['description'] as String?,
+      image: json['image'] as String?,
+    );
+
+  }
+
+  String? get imageUrl {
+    if (image == null) return image;
+
+    if (image!.contains('ipfs.io')) return image;
+
+    if (!image!.contains('ipfs')) return image;
+
+    // IPFS public gateway provided by Cloudflare is https://cloudflare-ipfs.com/ipfs/
+    //
+    // Here is an example of an ipfs image link:
+    //
+    // [ipfs://bafkreia2i2ctfexpovgzfff66wqhbmwwpvqjvozan7ioifzcnq76jharwu]
+
+    //https://ipfs.io/ipfs/QmTRcRXo6cXByjHYHTVxGpag6vpocrG3rxjPC9PxKAArR9/1620.png
+
+    const String ipfsPublicGateway = 'https://cloudflare-ipfs.com/ipfs/';
+
+    final ipfsPath = image?.split('//')[1];
+
+    final imageLink = '$ipfsPublicGateway$ipfsPath';
+
+    return imageLink;
+  }
+}