tlmgr-info: add page (#6511)

pages/common/tlmgr-info.md

@@ -0,0 +1,36 @@
+# tlmgr info
+
+> Show information about TeX Live packages.
+> More information: <https://www.tug.org/texlive/tlmgr.html>.
+
+- List all available TeX Live packages, prefexing installed ones with `i`:
+
+`tlmgr info`
+
+- List all available collections:
+
+`tlmgr info collections`
+
+- List all available schemes:
+
+`tlmgr info scheme`
+
+- Show information about a specific package:
+
+`tlmgr info {{package_name}}`
+
+- List all files contained in a specific package:
+
+`tlmgr info {{package_name}} --list`
+
+- List all installed packages:
+
+`tlmgr info --only-installed`
+
+- Show only specific information about a package:
+
+`tlmgr info {{package_name}} --data "{{name}},{{category}},{{installed}},{{size}},{{depends}},..."`
+
+- Print all available packages as JSON encoded array:
+
+`tlmgr info --json`