repo-add: add page (#6622)

pages/linux/repo-add.md

@@ -0,0 +1,16 @@
+# repo-add
+
+> Package database maintenance utility which enables installation of said package via Pacman.
+> More information: <https://man.archlinux.org/man/repo-add>.
+
+- Add all package binaries in the current directory and remove the old database file:
+
+`repo-add --remove {{path/to/database.db.tar.gz}} {{*.pkg.tar.zst}}`
+
+- Add all package binaries in the current directory in silent mode except for warning and error messages:
+
+`repo-add --quiet {{path/to/database.db.tar.gz}} {{*.pkg.tar.zst}}`
+
+- Add all package binaries in the current directory without showing color:
+
+`repo-add --nocolor {{path/to/database.db.tar.gz}} {{*.pkg.tar.zst}}`