warpd: add page (#8542)

pages/linux/warpd.md

@@ -0,0 +1,32 @@
+# warpd
+
+> A modal keyboard driven pointer manipulation program.
+> More information: <https://github.com/rvaiya/warpd/blob/master/man.md>.
+
+- Run warpd in normal mode:
+
+`warpd --normal`
+
+- Run warpd in hint mode:
+
+`warpd --hint`
+
+- Move cursor left:
+
+`h`
+
+- Move cursor down:
+
+`j`
+
+- Move cursor up:
+
+`k`
+
+- Move cursor right:
+
+`l`
+
+- Emulate left click:
+
+`m`