tlmgr-repository: add page (#8289)

pages/common/tlmgr-repository.md

@@ -0,0 +1,28 @@
+# tlmgr repository
+
+> Manage repositories of a TeX Live installation.
+> More information: <https://www.tug.org/texlive/tlmgr.html>.
+
+- List all configured repositories and their tags (if set):
+
+`tlmgr repository list`
+
+- List all packages available in a specific repository:
+
+`tlmgr repository list {{path|url|tag}}`
+
+- Add a new repository with a specific tag (the tag is not required):
+
+`sudo tlmgr repository add {{path|url}} {{tag}}`
+
+- Remove a specific repository:
+
+`sudo tlmgr repository remove {{path|url|tag}}`
+
+- Set a new list of repositories, overwriting the previous list:
+
+`sudo tlmgr repository set {{path|url|tag}}#{{tag}} {{path|url|tag}}#{{tag}} {{...}}`
+
+- Show the verification status of all configured repositories:
+
+`tlmgr repository status`