flox: add page (#17928)

Co-authored-by: Managor <42655600+Managor@users.noreply.github.com>
Co-authored-by: Dylan <145150333+dmmqz@users.noreply.github.com>

pages/common/flox.md

@@ -0,0 +1,36 @@
+# flox
+
+> Easy to use Nix package and environment manager.
+> More information: <https://flox.dev/docs/reference/command-reference/flox/>.
+
+- Create a new environment in the current directory:
+
+`flox init`
+
+- Enter an environment, or create one if it doesn't exist:
+
+`flox activate`
+
+- Search for packages in the FloxHub catalog:
+
+`flox search {{package}}`
+
+- Install a package into the current environment:
+
+`flox {{[i|install]}} {{package}}`
+
+- Uninstall a package from the current environment:
+
+`flox uninstall {{package}}`
+
+- View a list of all packages installed in the current environment:
+
+`flox {{[l|list]}}`
+
+- Push a local environment to FloxHub to share with others:
+
+`flox push`
+
+- Pull a shared environment from FloxHub:
+
+`flox pull {{environment_name}}`