added the readme contents

.gitignore

@@ -17,4 +17,5 @@
 /_vendor*
 /vendor
 /.image
-*.log
+*.log
+/dist

README.md

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 # dive
 
-A tool for interrogating docker images.
+A tool for interrogating docker images. 
 
-**This is beta quality!**
 
+To analyze a Docker image simply run dive with an image tag/id/digest:
+```bash
+dive <your-image-tag>
+```
+
+or if you want to build your image then jump straight into analyzing it:
+```bash
+dive build -t <some-tag> .
+```
+
+**This is beta quality!** *Feel free to submit an issue if you want a new feature or find a bug :)*
+
+## Basic Features
+
+**Show Docker image contents broken down by layer**
+
+As you select a layer on the left, you are shown the contents of that layer combined with all previous layers on the right.
+
+Also, you can fully explore the file tree with the arrow keys.
+
+**Indicate what's change in each layer**
+
+Files that have changed, been modified, added, or removed are indicated in the file tree. This can be adjusted to show
+changes for a specific layer, or aggregated changes up to this layer.
 
+**Estimate "image efficiency"**
 
+The lower left pane shows basic layer info and an experimental metric that will guess how much wasted space is in 
+your image. This might be from duplicating files across layers, moving files across layers, or not fully removing 
+files. Both a percentage "score" and total wasted file space is provided.
 
-## Installing
+**Quick build/analysis cycles**
+
+You can build a Docker image and do an immediate analysis with one command: `dive build -t some-tag .` 
+
+You only need to replace you `docker build` command with the same `dive build` command.
+
+
+## Installation
+
+**Ubuntu/Debian**
+```bash
+wget https://github.com/wagoodman/dive/releases/download/v0.0.1/dive_0.0.1_linux_amd64.deb
+sudo apt install ./dive_0.0.1_linux_amd64.deb
 ```
-docker build -t die-test:latest .
-go run main.go
+
+**RHEL/Centos**
+```bash
+wget https://github.com/wagoodman/dive/releases/download/v0.0.1/dive_0.0.1_linux_amd64.rpm
+rpm -i dive_0.0.1_linux_amd64.rpm
+```
+
+**Mac**
+```bash
+brew tap wagoodman/dive
+brew install dive
+```
+or download a Darwin build from the releases page.
+
+**Go tools**
+```bash
+go get github.com/wagoodman/dive
 ```