Implemented ordered lists

Render.go

@@ -17,6 +17,7 @@ type renderer struct {
 	paragraphLevel     int
 	quoteLevel         int
 	listLevel          int
+	olistLevel         int
 	tableLevel         int
 	codeLines          int
 	tableHeaderWritten bool
@@ -200,6 +201,26 @@ func (r *renderer) processLine(line string) {
 		}
 	}
 
+	pos := 0
+
+	for pos < len(line) && line[pos] >= '0' && line[pos] <= '9' {
+		pos++
+
+		if pos < len(line) && (line[pos] == '.' || line[pos] == ')') {
+			line = strings.TrimSpace(line[pos+1:])
+
+			if r.olistLevel == 0 {
+				r.WriteString("<ol>")
+				r.olistLevel++
+			}
+
+			r.WriteString("<li>")
+			r.writeText(line)
+			r.WriteString("</li>")
+			return
+		}
+	}
+
 	if r.paragraphLevel == 0 {
 		r.WriteString("<p>")
 		r.paragraphLevel++
@@ -233,7 +254,12 @@ func (r *renderer) closeLists() {
 		r.WriteString("</ul>")
 	}
 
+	for range r.olistLevel {
+		r.WriteString("</ol>")
+	}
+
 	r.listLevel = 0
+	r.olistLevel = 0
 }
 
 // closeTables closes open tables.