animation: turn traffic into an animation

tiles/aliases.txt

@@ -12,6 +12,103 @@
 61 56
 62 56
 63 56
+# light traffic
+96   80
+97   81
+98   82
+99   83
+100  84
+101  85
+102  86
+103  87
+104  88
+105  89
+106  90
+107  91
+108  92
+109  93
+110  94
+
+112  80
+113  81
+114  82
+115  83
+116  84
+117  85
+118  86
+119  87
+120  88
+121  89
+122  90
+123  91
+124  92
+125  93
+126  94
+
+128  80
+129  81
+130  82
+131  83
+132  84
+133  85
+134  86
+135  87
+136  88
+137  89
+138  90
+139  91
+140  92
+141  93
+142  94
+143  95
+# heavy traffic
+160  144
+161  145
+162  146
+163  147
+164  148
+165  149
+166  150
+167  151
+168  152
+169  153
+170  154
+171  155
+172  156
+173  157
+174  158
+
+176  144
+177  145
+178  146
+179  147
+180  148
+181  149
+182  150
+183  151
+184  152
+185  153
+186  154
+187  155
+188  156
+189  157
+190  158
+
+192  144
+193  145
+194  146
+195  147
+196  148
+197  149
+198  150
+199  151
+200  152
+201  153
+202  154
+203  155
+204  156
+205  157
+206  158
 # radar dish animation
 833 832
 834 832