Updated docs

There is still stuff to do

docs/objects/Frame/setMirror.md

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+## setMirror
+mirrors this frame to another peripheral monitor object.
+
+#### Parameters: 
+1. `string` The monitor name ("right", "left",... "monitor_1", "monitor_2",...)
+
+#### Returns:
+1. `frame` The frame being used
+
+#### Usage:
+* Creates mirror of your main frame to a monitor on the left side.
+```lua
+local mainFrame = basalt.createFrame():setMirror("left")
+```
+```xml
+<frame mirror="left"></frame>
+```