added Readme.md

Author: chandrajeetn

README.md

@@ -0,0 +1,18 @@
+## Lambda-Featureflag-Go-Sdk
+
+local evaluation sdks for golang.
+
+### Remote Setup Instructions
+- add `"lambda-featureflag-nodejs-sdk": "git+https://github.com/Lambdatest/lambda-featureflag-nodejs-sdk.git" in package.json
+- run locally.
+```
+$ npm install
+```
+- Add below config variable and dependent key through env variable(os.Setenv(key,value)).
+```
+LOCAL_EVALUATION_CONFIG_DEBUG = false (enables debug logs for amplitude).
+LOCAL_EVALUATION_CONFIG_SERVER_URL = "https://api.lab.amplitude.com/" (amplitude server url or evaluation proxy server url).
+LOCAL_EVALUATION_CONFIG_POLL_INTERVAL = 30 (poller interval for flag rules from amplitude).
+LOCAL_EVALUATION_CONFIG_POLLER_REQUEST_TIMEOUT = 10 (poller request timeout).
+LOCAL_EVALUATION_DEPLOYMENT_KEY = "" (server side deployment key).
+```