pulumi-install: add page (#14983)

* pulumi-install: add page

* Update pages/common/pulumi-install.md

Co-authored-by: Wiktor Perskawiec <git@spageektti.cc>

* Update pages/common/pulumi-install.md

Co-authored-by: Nelson Figueroa <30811275+nelsonfigueroa@users.noreply.github.com>

---------

Co-authored-by: Wiktor Perskawiec <git@spageektti.cc>
Co-authored-by: Nelson Figueroa <30811275+nelsonfigueroa@users.noreply.github.com>

pages/common/pulumi-install.md

@@ -0,0 +1,16 @@
+# pulumi install
+
+> Install packages and plugins for the current program or policy pack.
+> More information: <https://www.pulumi.com/docs/iac/cli/commands/pulumi_install>.
+
+- Install packages and plugins:
+
+`pulumi install`
+
+- Install packages and plugins but skip dependencies:
+
+`pulumi install --no-dependencies`
+
+- Install packages and reinstall existing plugins:
+
+`pulumi install --reinstall`