wikit: move to common/ and add pt_BR translation (#11950)

* wikit: move to common/

* wikit: add pt_BR translation

* wikit: remove page from old directory

* wikit: fix pt_BR translation formatting

---------

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>
Co-authored-by: Isaac Vicente <isaacvicentsocial@gmail.com>

pages/common/wikit.md

@@ -0,0 +1,20 @@
+# wikit
+
+> A command line program for getting Wikipedia summaries easily.
+> More information: <https://github.com/KorySchneider/wikit>.
+
+- Show a short summary of a specific topic on Wikipedia:
+
+`wikit {{topic}}`
+
+- Specify a [l]anguage (ISO 639-1 language code):
+
+`wikit {{topic}} --lang {{language_code}}`
+
+- Open the full Wikipedia article in the default browser:
+
+`wikit {{topic}} -b`
+
+- Open a disambiguation menu:
+
+`wikit {{topic}} -d`