Add unicode shortcuts to vim config

vim/UltiSnips/all.snippets

@@ -1,3 +1,24 @@
 snippet #! "Shebang" !b
 #!/usr/bin/env ${1:bash}
 endsnippet
+snippet - "bullet"
+•
+endsnippet
+snippet -> "right arrow"
+→
+endsnippet
+snippet :) "smile"
+☺
+endsnippet
+snippet :( "frown"
+☹
+endsnippet
+snippet <3 "heart"
+♥
+endsnippet
+snippet x "ballot x"
+✗
+endsnippet
+snippet v "check mark"
+✓
+endsnippet