Fix linting

Dockerfile.multi-stage

@@ -4,6 +4,7 @@ FROM golang:1.17-alpine AS builder
 # hadolint ignore=DL3018
 RUN apk add --no-cache git
 
+# hadolint ignore=DL3059
 RUN mkdir /app
 WORKDIR /app
 

README.md

@@ -16,4 +16,4 @@ Usage:
 
 ## Installation
 
-You can either install the binary from the Releases tab or use the image hosted on Docker Hub at `iamthefij/tag-checker`.
+You can either install the binary from the Releases tab or use the image hosted on Docker Hub at `iamthefij/tag-checker`.