Now that the sphinx syntax has been fixed, change the document from txt
to rst and add it to the index.

Signed-off-by: Robert Schwebel <redacted>
---
 Documentation/networking/{nfc.txt => nfc.rst} | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename Documentation/networking/{nfc.txt => nfc.rst} (100%)

diff --git a/Documentation/networking/nfc.txt b/Documentation/networking/nfc.rst
similarity index 100%
rename from Documentation/networking/nfc.txt
rename to Documentation/networking/nfc.rst
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2.24.0