fold: add page; log: add Italian translation (#10039)

* log: add Italian translation

* fold: add page

* Update fold.md

fix typo

* Update fold.md

* Update pages/linux/fold.md

Co-authored-by: Seth Falco <seth@falco.fun>

* Update pages/linux/fold.md

Co-authored-by: Seth Falco <seth@falco.fun>

* Update pages/linux/fold.md

Co-authored-by: Seth Falco <seth@falco.fun>

* Update pages.it/osx/log.md

Co-authored-by: Jack Lin <blueskyson1401@gmail.com>

* Update pages/linux/fold.md

Co-authored-by: Jack Lin <blueskyson1401@gmail.com>

* Update pages/linux/fold.md

Co-authored-by: Jack Lin <blueskyson1401@gmail.com>

* Update pages/linux/fold.md

Co-authored-by: Jack Lin <blueskyson1401@gmail.com>

* Update pages/linux/fold.md

Co-authored-by: Jack Lin <blueskyson1401@gmail.com>

* Apply suggestions from code review

---------

Co-authored-by: Seth Falco <seth@falco.fun>
Co-authored-by: Jack Lin <blueskyson1401@gmail.com>
Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

pages/linux/fold.md

@@ -0,0 +1,16 @@
+# Fold
+
+> Folds long lines for fixed-width output devices.
+> More information: <https://manned.org/fold>.
+
+- Fold lines in a fixed width:
+
+`fold --width {{width}} {{path/to/file}}`
+
+- Count width in bytes (the default is to count in columns):
+
+`fold --bytes --width {{width_in_bytes}} {{path/to/file}}`
+
+- Break the line after the rightmost blank within the width limit:
+
+`fold --spaces --width {{width}} {{path/to/file}}`