Updated docs

There is still stuff to do

docs/objects/Textfield/getLines.md

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+## getLines
+Returns all lines
+
+#### Returns:
+1. `table` lines
+
+#### Usage:
+* Prints all lines
+```lua
+local mainFrame = basalt.createFrame("myFirstFrame"):show()
+local aTextfield = mainFrame:addTextfield("myFirstTextfield"):show()
+basalt.debug(aTextfield:getLines())
+```