Restructure of RRG repo

Added installtion videos.
Re-wrote installtion instructions

Use_of_Proxmark/3_Commands-and-Features.md

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+
+# Commands and Features
+
+## New Features in RDV4
+
+Further details coming soon
+
+### Run the following commands
+    pm3 --> hw status
+    pm3 --> hw version
+    pm3 --> hw tune
+
+You are now ready to use your newly upgraded proxmark3 device.  Many commands uses the **h** parameter to show a help text. The client uses a arcaic command structure which will be hard to grasp at first.  Here are some commands to start off with.
+
+    pm3 --> hf
+    pm3 --> hf 14a info
+    pm3 --> lf
+    pm3 --> lf search
+
+### Quit client
+    pm3 --> quit