Merge pull request #50 from childmindresearch:feature/upload-txt

Add support for uploading .txt files

src/routes/gpt/Chat/Chat.svelte

@@ -75,10 +75,16 @@
 	function uploadFile() {
 		const input = document.createElement('input');
 		input.type = 'file';
-		input.accept = '.pdf, .jpg, .jpeg, .png, .bmp, .tiff, .heif, .docx, .xlsx, .pptx, .html';
+		input.accept = '.pdf, .jpg, .jpeg, .png, .bmp, .tiff, .heif, .docx, .xlsx, .pptx, .html, .txt';
 		input.onchange = async (event) => {
 			const files = (event.target as HTMLInputElement).files;
 			if (!files) return;
+			if (files[0].name.split('.').slice(-1)[0] === 'txt') {
+				const text = await files[0].text();
+				addMessage(text, 'user');
+				await addResponse();
+				return;
+			}
 			const file = files[0];
 			const formData = new FormData();
 			formData.append('file', file);