feat: add extension profiles (#3914)

Co-authored-by: Vlad Stan <stan.v.vlad@gmail.com>

lnbits/core/views/extension_api.py

@@ -292,7 +292,6 @@ async def api_deactivate_extension(ext_id: str) -> SimpleStatus:
 
 @extension_router.delete("/{ext_id}", dependencies=[Depends(check_admin)])
 async def api_uninstall_extension(ext_id: str) -> SimpleStatus:
-
     extension = await get_installed_extension(ext_id)
     if not extension:
         raise HTTPException(
@@ -567,6 +566,7 @@ async def extensions(account_id: AccountId = Depends(check_account_id_exists)):
             "shortDescription": ext.short_description,
             "stars": ext.stars,
             "isFeatured": ext.meta.featured if ext.meta else False,
+            "categories": ext.meta.categories if ext.meta else [],
             "dependencies": ext.meta.dependencies if ext.meta else "",
             "isInstalled": ext.id in installed_exts_ids,
             "hasDatabaseTables": next(