"999 is enough for anybody" triple-zero padding (#18)

When I hit 999 exercises, I will finally have reached the ultimate
state of soteriological release and no more exercises will be needed.
The cycle will be complete. All that will be left is perfect quietude,
freedom, and highest happiness.

exercises/007_strings2.zig

@@ -0,0 +1,24 @@
+//
+// Here's a fun one: Zig has multi-line strings!
+//
+// To make a multi-line string, put '\\' at the beginning of each
+// line just like a code comment but with backslashes instead:
+//
+//     const two_lines =
+//         \\Line One
+//         \\Line Two
+//     ;
+//
+// See if you can make this program print some song lyrics.
+//
+const std = @import("std");
+
+pub fn main() void {
+    const lyrics =
+        Ziggy played guitar
+        Jamming good with Andrew Kelley
+        And the Spiders from Mars
+    ;
+
+    std.debug.print("{s}\n", .{lyrics});
+}