Create parse_header

src/parser.v

@@ -2,6 +2,17 @@ fn replace(text string, start int, len int, repl string) string {
 	return text[..start] + repl + text[start + len..]
 }
 
+fn parse_header(line string) (int, string) {
+	mut lvl := 0
+	for line[lvl] == '!'[0] { // Jestem geniuszem programowania
+		lvl++
+	}
+	if line[lvl+1] != ' '[0] { // String to u8 converter xd
+		return 0, line
+	}
+	return lvl, line[lvl + 1..]
+}
+
 fn parse(lines []string) string {
 	mut output := '<p>'
 	for line in lines {