Add code-of-conduct file. (#2900)

Anuraag Agrawal · web-flow · commit f495f009c27c · 2021-02-19T08:26:46.000-08:00
diff --git a/code-of-conduct.md b/code-of-conduct.md
@@ -0,0 +1,3 @@
+# OpenTelemetry Community Code of Conduct
+
+Please refer to our [OpenTelemetry Community Code of Conduct](https://github.com/open-telemetry/community/blob/main/code-of-conduct.md)

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`@@ -0,0 +1,3 @@`
	`1`	`+# OpenTelemetry Community Code of Conduct`
	`2`	`+`
	`3`	`+Please refer to our [OpenTelemetry Community Code of Conduct](https://github.com/open-telemetry/community/blob/main/code-of-conduct.md)`