Add cheatsheet for z

cheat/cheatsheets/z

@@ -0,0 +1,14 @@
+# To `cd` to most frecent dir matching `foo`
+z foo
+
+# To `cd` to most frecent dir matching `foo`, then `bar`
+z foo bar
+
+# To `cd` to highest ranked dir matching `foo`
+z -r foo
+
+# To `cd` to most recently accessed dir matching `foo`
+z -t foo
+
+# To list all dirs matching `foo` - By frecency
+z -l foo