chafa: add page (#8413)

* chafa: add page

* Switch "path/to/input" with "path/to/file"

* Remove "and" from see also section

* Rework descriptions

* Simplify a description

* Change braille capitalization

* Remove GIF distinction

pages/common/chafa.md

@@ -0,0 +1,25 @@
+# chafa
+
+> Image printing in the terminal.
+> See also: `catimg`, `pixterm`.
+> More information: <https://hpjansson.org/chafa>.
+
+- Render an image directly in the terminal:
+
+`chafa {{path/to/file}}`
+
+- Render an image with 24-bit [c]olor:
+
+`chafa -c full {{path/to/file}}`
+
+- Improve image rendering with small color palettes using dithering:
+
+`chafa -c 16 --dither ordered {{path/to/file}}`
+
+- Render an image, making it appear pixelated:
+
+`chafa --symbols vhalf {{path/to/file}}`
+
+- Render a monochrome image with only braille characters:
+
+`chafa -c none --symbols braille {{path/to/file}}`