qm-template: add page (#10481)

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

pages/linux/qm-template.md

@@ -0,0 +1,8 @@
+# qm template
+
+> Create a Proxmox VM template.
+> More information: <https://pve.proxmox.com/pve-docs/qm.1.html>.
+
+- Create a template out of a specific virtual machine:
+
+`qm template {{vm_id}}`