add: specification directory with a link to PJON GitHub repository

Zbigniew Zasieczny · Zbigniew Zasieczny · commit a1d545e25548 · 2016-09-06T01:10:16.000+02:00
diff --git a/specification/specification.md b/specification/specification.md
@@ -0,0 +1 @@
+The PJON protocol's specification is available in [PJON's GitHub repository](https://github.com/gioblu/PJON/tree/master/specification)

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	`1`	`+The PJON protocol's specification is available in [PJON's GitHub repository](https://github.com/gioblu/PJON/tree/master/specification)`