update readme

Author: bjarneo

README.md

@@ -1,2 +1,59 @@
-# rip
-Rest in peace(s) - the load testing CLI tool
+# RIP
+
+This is a HTTP load testing tool that run requests concurrently. Written as a Golang learning project.
+
+![RIP](./rip.png)
+
+## Features
+
+-   Run requests concurrently
+-   Set a timer in second for how long it should run
+-   Outputs table of statistics for the end result
+
+## Coming
+
+-   JSON output of the result
+-   Support multiple URLs
+
+## Usage
+
+Install the binary from <https://github.com/bjarneo/rip/releases>, or go directly to the build the binary manually step.
+
+```bash
+$ rip -c 100 -t 10 https://your.domain.com
+```
+
+### The default values
+
+```
+Usage of rip
+  -t int
+    How many seconds to run the test (default: 60)
+  -c float
+    How many concurrent users to simulate (default: 10)
+
+```
+
+## Get it up and running [DEV]
+
+```bash
+# Install dependencies
+go install
+
+# By using the go binary directly
+go run main.go
+```
+
+## Build the binary manually
+
+```bash
+# Build binary
+go build
+
+# Now it will be available as "rip"
+rip http://localhost:1337
+```
+
+## LICENSE
+
+See [LICENSE](./LICENSE)