fix: recognize sh files as text files (#813)

Author: DaveHanns

src/lib/utils.ts

@@ -259,6 +259,7 @@ const getSourceFileFormat = (filePath: string, fileContent: Buffer) => {
 			contentType.includes('xml') ||
 			contentType.includes('application/node') || // .cjs files
 			contentType.includes('application/toml') || // for example pyproject.toml files
+			contentType.includes('application/x-sh') || // .sh files
 			contentType.includes('application/x-httpd-php') // .php files
 				? SOURCE_FILE_FORMATS.TEXT
 				: SOURCE_FILE_FORMATS.BASE64;