Lbudginas/#385 single post page

#385 (closed) one of subtasks of #315 (closed)

IMO small improvements such as styling etc should be done when we have all functionality and data required for this page. Currently it's only post content, without any details , properties, comments.

services/FetchingService.ts

@@ -32,6 +32,8 @@ type ExplorerNodeApi = {
   };
   condenser_api: {
     get_witnesses_by_vote: TWaxApiRequest<unknown[], Hive.WitnessesByVote>;
+    get_content: TWaxApiRequest<unknown[], Hive.Content>;
+    get_content_replies: TWaxApiRequest<unknown[], Hive.Content>;
   };
 };
 
@@ -233,6 +235,25 @@ class FetchingService {
       params
     );
   }
+  async getContent(
+    accountName: string,
+    permlink: string
+  ): Promise<Hive.Content> {
+    return await this.extendedHiveChain!.api.condenser_api.get_content([
+      accountName,
+      permlink,
+    ]);
+  }
+
+  async getContentReplies(
+    accountName: string,
+    permlink: string
+  ): Promise<Hive.Content> {
+    return await this.extendedHiveChain!.api.condenser_api.get_content_replies([
+      accountName,
+      permlink,
+    ]);
+  }
 
   async getOperationTypes(): Promise<Hive.OperationPattern[]> {
     return await this.extendedHiveChain!.restApi["hafah-api"].operationTypes();