jf: add page for JFrog CLI (#10471)

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>

pages/common/jf.md

@@ -0,0 +1,16 @@
+# jf
+
+> Interact with JFrog products like Artifactory, Xray, Distribution, Pipelines and Mission Control.
+> More information: <https://jfrog.com/help/r/jfrog-cli/usage>.
+
+- Add a new configuration:
+
+`jf config add`
+
+- Show the current configuration:
+
+`jf config show`
+
+- Search for artifacts within the given repository and directory:
+
+`jf rt search --recursive {{repostiory_name}}/{{path}}/`