lolcat: add page (#2542)

pages/common/lolcat.md

@@ -0,0 +1,19 @@
+# lolcat
+
+> Put a rainbow in everything you `cat` to the console.
+
+- Print a file to the console in rainbow colors:
+
+`lolcat {{path/to/file}}`
+
+- Print the result of a text-producing command in rainbow colors:
+
+`{{fortune}} | lolcat`
+
+- Print a file to the console with animated rainbow colors:
+
+`lolcat -a {{path/to/file}}`
+
+- Print a file to the console with 24-bit (truecolor) rainbow colors:
+
+`lolcat -t {{path/to/file}}`