added lyrics script

src/scripts/lyrics.coffee

@@ -0,0 +1,19 @@
+# Grabs snippets of song lyrics.
+# Limited to snippets due to copyright stuff.
+#
+# lyrics for <song> by <artist> - returns snippet of lyrics for this song
+#
+# Example: lyrics for purple haze by jimi hendrix
+module.exports = (robot) ->
+  robot.respond /lyrics for (.*) by (.*)/i, (msg) ->
+    song = msg.match[1]
+    artist = msg.match[2]
+    getLyrics msg, song, artist
+
+  getLyrics = (msg, song, artist) ->
+    msg.http("http://lyrics.wikia.com/api.php")
+      .query(artist: artist, song: song, fmt: "json")
+      .get() (err, res, body) ->
+        result = eval body # can't use JSON.parse :(
+        msg.send result['url']
+        msg.send result['lyrics']