doc: update

scp.md

@@ -0,0 +1,13 @@
+# SCP karkarcar.oier.ovh 
+
+
+## `~/.ssh/config`
+Host karkarcar
+    Hostname 149.202.89.131
+    User ubuntu
+    IdentityFile ~/.ssh/id_rsa
+
+
+- `scp RUTA.XLSX karkarcar:~/pmc/karkarcar-astro/data/saldos.xlsx`
+- `ssh -t karkarcar 'cd ~/pmc/karkarcar-astro/; ./update.sh'`
+