Moved information about creating your repo to front (alshedivat#1298)

Moved information about using this template to the beginning of the
installation part, added a few more documentation links in it, fixed
some typos.

---------

Signed-off-by: George Araújo <[email protected]>

Author: george-gca

README.md

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
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-size 35407
+oid sha256:70ba9a6ccebc39ab1e3da78c9f3a7cdca6f16e343292b337feb07d43909306a0
+size 35856