(feat) wrap number triangles in newlines

Also add some docstrings and questions

week1.java

@@ -311,6 +311,7 @@ class Lab6 extends Lab {
            - for even-sized triangles, preceding number of spaces starts at n=rows and decrements
            - for even-sized triangles even numbers have odd spaces and vice versa
         */
+        System.out.println(String.format(""));
         int spaces = num;
         for (int i = 1; i <= num; i++) {
             System.out.println(" ".repeat(spaces)
@@ -319,14 +320,26 @@ class Lab6 extends Lab {
                                );
             spaces--;
         }
+        System.out.println(String.format(""));
     }
 
+    /**
+     * @param num The number to write the times table for
+     * @param limit How many multiples to show
+     */
     public void writeTimesTable(int num, int limit) {
         for (int i = 0; i < (limit + 1); i++) {
             System.out.printf("%d\t", num * i);
         }
     }
 
+    /* TOASK - overload example.
+       Question: is there a better way of doing optional function parameters in java?
+    */
+    /**
+     * Write times table for num (10 entries)
+     * @param num Number to show times table for
+     */
     public void writeTimesTable(int num) {
         int DEFAULT_LIMIT = 10;
         writeTimesTable(num, DEFAULT_LIMIT);