conky: add page (#2135)

* conky: add page

* Remove prefixing, put variable in tokens, change `-p` and `-a`
descriptions

* Fix punctuation on creating a new config command

pages/linux/conky.md

@@ -0,0 +1,27 @@
+# conky
+
+> Light-weight system monitor for X.
+
+- Launch with default, built-in config:
+
+`conky`
+
+- Create a new default config:
+
+`conky -C > ~/.conkyrc`
+
+- Launch conky with a given config file:
+
+`conky -c {{path/to/config}}`
+
+- Start in the background (daemonize):
+
+`conky -d`
+
+- Align conky on the desktop:
+
+`conky -a {{{top,bottom,middle}_{left,right,middle}}}`
+
+- Pause for 5 seconds at startup before launching:
+
+`conky -p {{5}}`