Added readme for github.

Author: coderifous

README.markdown

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+## textobj-word-column.vim
+
+The word-based column text-object makes operating on columns of code
+conceptually simpler and reduces keystrokes.
+
+The common task of deleting, changing, or adding to a vertical column of code
+can be achieved using visual-blocks, however the first step is to establish
+the visual block itself.  This typically involves moving the cursor to the
+start of the block, and then using vim motions to move the cursor to the end of
+the block, and finally doing the appropriate operation.
+
+With a text object for columns, establishing the visual block is much easer,
+and even unecessary for certain operations.
+
+### Learn more in the include docs:
+
+https://github.com/coderifous/textobj-word-column.vim/blob/master/doc/textobj-word-column.txt