added docs

Docs/P2P.md

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+# P2P (Peer to Peer module)
+In this repository the P2P module has been designed from sratch at the point of this implementation.
+[More about function implementation](https://pkg.go.dev/git.sr.ht/~akilan1999/p2p-rendering-computation@v0.0.0-20210404191839-6a046babcb02/p2p)
+
+## Terminology
+ 1. IPTable: Refers to a json file which stores information about the current servers avaliable with the speedtest results ran from the Node that triggered it. 
+ ```
+ {
+ "ip_address": [
+  {
+   "ipv4": "localhost",
+   "latency": 14981051,
+   "download": 8142.122540206258,
+   "upload": 3578.766512629995,
+  }
+ ]
+}
+ ```
+
+
+## Responsibility 
+- To perform speed test to determine best node to connect 
+- To ensure the IP table has nodes which are pingable 
+- Using techniques such as [UPNP](https://en.wikipedia.org/wiki/Universal_Plug_and_Play). Still under development
+- Port Forwarding (To be introducted in a future release) 
+
+
+## Note:
+If you are running in server mode it is recommended to use [DMZ](https://routerguide.net/when-and-how-to-setup-dmz-host-for-home-use/) to bypass the [NAT](https://en.wikipedia.org/wiki/Network_address_translation).