Update index.md - Embedding Options - for devicename & devicername

[tobias9931]

for Commit cb9bc58

[si458]

the is actually a load of url arguments which you could add

1. viewmode - which page/view of the device you want to access - (always required!)
2. gotonode - go directly to a node with the provided ID
3. gotodevicename - go directly to a node with its name (nickname, NOT OS name)
4. gotodevicername - go directly to a node with its OS name (generally same as name/nickname)
5. gotodeviceip - go directly to a device with a certain IP
   (this wont work for devices with external ip addreses, its meant for internal ips and amt for example)
6. gotomesh - go directly to the mesh general page of the device group

2,3,4,5,6 SHOULD be used with 1 and viewmode can be gotten by checking the url of whatever panel/view you are in now

also ALL VALUES ARE CASE SENSITIVE!

also you make a bobo with text for gotodevicername in its value hehe

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[tobias9931]

I will add the missing values