farge: add page (#10482)

pages/linux/farge.md

@@ -0,0 +1,24 @@
+# farge
+
+> Display the color of a specific pixel on the screen in either hexadecimal or RGB formats.
+> More information: <https://github.com/sdushantha/farge>.
+
+- Display a small preview window of a pixel's color with it's hexadecimal value, and copy this value to the clipboard:
+
+`farge`
+
+- Copy a pixel's hexadecimal value to the clipboard without displaying a preview window:
+
+`farge --no-preview`
+
+- Output a pixel's hexadecimal value to `stdout`, and copy this value to the clipboard:
+
+`farge --stdout`
+
+- Output a pixel's RGB value to `stdout`, and copy this value to the clipboard:
+
+`farge --rgb --stdout`
+
+- Display a pixel's hexadecimal value as a notification which expires in 5000 milliseconds, and copy this value to the clipboard:
+
+`farge --notify --expire-time 5000`