add: import folder of md files

main.js

@@ -215,6 +215,10 @@ var commands = [
 {
 	hint: "Show backlinks",
 	action: backlinks
+},
+{
+	hint: "Import notes",
+	action: importnotes
 }];
 
 var snippets = [
@@ -260,6 +264,43 @@ var snippets = [
 	insert: "x " + (new Date).toISOString().substring(0, 10) + " "
 }];
 
+function importnotes()
+{
+	const input = document.createElement('input');
+	input.type = "file";
+	input.webkitdirectory = true;
+
+	input.addEventListener("change", () =>
+	{
+		let files = Array.from(input.files);
+
+		files.forEach(file =>
+		{
+		var title = file.name.replace(".md", "");
+		if (getguid(title))
+		{
+			console.warn(title + " already exists, skip import");
+		}
+		else
+		{
+			file.text().then(content =>
+			{
+				var guid = createnote(title, content);
+			});
+		}
+	  });
+	});
+
+	if ('showPicker' in HTMLInputElement.prototype)
+	{
+	  input.showPicker();
+	}
+	else
+	{
+	  input.click();
+	}
+ }
+
 function genguid()
 {
 	return crypto.randomUUID();
@@ -1123,10 +1164,10 @@ function gotoline(line)
 	}
 }
 
-function createnote(title)
+function createnote(title, content)
 {
 	var guid = genguid();
-	var content = defaultheaders();
+	content = content || defaultheaders();
 	var item = {
 		lastchanged: Date.now(),
 		title: title,