Added README

Author: MGSousa

README.md

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+# <img src="https://static-00.iconduck.com/assets.00/prometheus-icon-511x512-1vmxbcxr.png" width="50"/>  Auto Prometheus Exporter
+[![Release](https://github.com/MGSousa/prom-exporter/actions/workflows/release.yml/badge.svg)](https://github.com/MGSousa/prom-exporter/actions/workflows/release.yml)
+
+Prometheus exporter that fetches and auto-resolves JSON data from selected services by converting metrics/stats in Prometheus format, being ready to be scrapped.
+
+Compatible with Elastic Beats plugins (Filebeat, Auditbeat, Packetbeat, Metricbeat, etc.) and any other tool that has any HTTP endpoint with output in JSON.
+
+## Install
+### Linux / Darwin 
+  - specify version
+```sh
+VERSION=1.0.0
+wget -nv https://github.com/MGSousa/prom-exporter/releases/download/v$VERSION/prom-exporter_${VERSION}_$(uname | awk '{print tolower($0)}')_amd64 -O prom-exporter && chmod +x prom-exporter
+```
+
+  - or fetch the latest release
+```sh
+curl -fsL "https://api.github.com/repos/MGSousa/prom-exporter/releases/latest" |\
+    jq -r ".assets[] | select(.name|contains(\"$(uname | awk '{print tolower($0)}')\")) | .url" |\
+    wget --header="Accept: application/octet-stream" -O prom-exporter -nv -i - && chmod +x prom-exporter
+```
+### Windows
+```sh
+curl -o prom-exporter.exe https://github.com/MGSousa/prom-exporter/releases/download/v1.0.0/prom-exporter_1.0.0_windows_amd64.exe
+```
+
+## Usage
+```sh
+./prom-exporter -service-uri "REMOTE_HOST:PORT"-service-name "SERVICE_NAME" -service-metrics-path "REMOTE_PATH"