Merge pull request #1516 from davidpfarrell/cht.sh

Add cht.sh plugin

plugins/available/cht-sh.plugin.bash

@@ -0,0 +1,21 @@
+cite about-plugin
+about-plugin 'Simplify `curl cht.sh/<query>` to `cht.sh <query>`'
+
+# Play nicely if user already installed cht.sh cli tool
+if ! _command_exists cht.sh ; then
+	function cht.sh () {
+		about 'Executes a cht.sh curl query using the provided arguments'
+		param ' [ ( topic [sub-topic] ) | ~keyword ] [ :list | :help | :learn ]'
+		example '$ cht.sh :help'
+		example '$ cht.sh :list'
+		example '$ cht.sh tar'
+		example '$ cht.sh js "parse json"'
+		example '$ cht.sh python :learn'
+		example '$ cht.sh rust :list'
+		group 'cht-sh'
+
+		# Separate arguments with '/', preserving spaces within them
+		local query=$(IFS=/ ; echo "$*")
+		curl "cht.sh/${query}"
+	}
+fi