foot: add page (#19518)

* add foot terminal

* moved foot from common to linux since it only works on linux

* updated foot terminal link since the homepage has better documentation

* fixed typos

* fixed some grammatical errors and removed description redudancy to maintain consistency

* more general fixes

- updated documentation link
- updated command descriptions such as foot version and foot
client/server mode

---------

Co-authored-by: Sahil Afrid Farookhi <msafarookhi@gmail.com>

pages/linux/foot.md

@@ -0,0 +1,24 @@
+# foot
+
+> A fast, lightweight, and minimalistic Wayland terminal emulator.
+> More information: <https://manned.org/foot>.
+
+- Spawn a terminal:
+
+`foot`
+
+- Verify your config:
+
+`foot {{[-C|--check-config]}}`
+
+- Start the server (use `footclient` to start terminal windows that connect to the server):
+
+`foot {{[-s|--server]}}`
+
+- Display help:
+
+`foot {{[-h|--help]}}`
+
+- Display version:
+
+`foot {{[-v|--version]}}`