chore: README

Author: lruggieri

README.md

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-[![CircleCI](https://circleci.com/gh/lruggieri/daily-coding-problems/tree/master.svg?style=svg)](https://circleci.com/gh/lruggieri/daily-coding-problems/tree/master)
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 # daily-coding-problems
 My solutions for daily coding problems from dailycodingproblem.com (and other coding problems sources), in Golang.
 
 This repo is not going to be prioritized over other projects but I am going to keep it updated.
 
-### Install
-```
-go mod vendor
-```
-
 ### Test
 ```
 go test ./...