style: improve code formatting; refactor module imports

- Apply consistent alignment for struct fields and parameters
- Standardize string literal delimiters to single quotes
- Refactor module import strategy in `models` package
- Enhance asset formatting for precise decimal display
- Remove unused imports and redundant `+}` syntax artifacts

lib/web/docusaurus/dsite_generate_docs.v

@@ -41,8 +41,8 @@ pub fn (mut docsite DocSite) generate_docs() ! {
 	}
 
 	if gen.errors.len > 0 {
-		println("Page List: is header collection and page name per collection.\nAvailable pages:\n${gen.client.list_markdown()!}")
-		return error('Errors occurred during site generation:\n${gen.errors.join('\n\n')}\n')		
+		println('Page List: is header collection and page name per collection.\nAvailable pages:\n${gen.client.list_markdown()!}')
+		return error('Errors occurred during site generation:\n${gen.errors.join('\n\n')}\n')
 	}
 }