add opensuse doc

Author: sabban

crowdsec-docs/docs/getting_started/install.mdx

@@ -35,7 +35,7 @@ Before installing the package, you might want to check [the ports that will be u
     {label: 'Debian/Ubuntu', value: 'debian'},
     {label: 'EL/Centos7/Amzn Linux 2', value: 'centos7'},
     {label: 'EL/Centos Stream 8', value: 'centos8'},
-    {label: 'Opensuse', value: 'opensuse'},
+    {label: 'OpenSUSE', value: 'opensuse'},
     {label: 'OpenWRT', value: 'openwrt'},
     {label: 'CloudLinux', value: 'cloudlinux'},
   ]}>