add slides images

.gitignore

@@ -14,3 +14,4 @@
 # slides source
 /*/Slides/*
 !/*/Slides/*.Rmd
+!/*/Slides/images/

clustering-algorithms/Slides/images/man-and-ed-distance.asy

@@ -0,0 +1,12 @@
+pen dps = linewidth(0.7) + fontsize(0);
+defaultpen(dps);
+draw((0, 100)--(0, 0), linewidth(2));
+draw((0, 0)--(200, 0), linewidth(2));
+draw((200, 0)--(0, 100), linewidth(2) + linetype("2 4"));
+pen dotstyle = black;
+dot((200, 0), dotstyle);
+dot((0, 100), dotstyle);
+label("$(2, 0)$", (220, 0));
+label("$(0, 1)$", (0, 110));
+label("Euclidean Distance", (160, 60));
+label("Manhattan Distance", (0, -10));