UPDATE readme, .travis.yml

Author: RecuencoJones

.travis.yml

@@ -21,6 +21,5 @@ deploy:
   file: bin/**/*
   skip_cleanup: true
   name: npmrc $VERSION
-  body: 'Follow these steps:\n- Download the binary for your distribution\n- Rename it to `npmrc`\n- Make it available in your path\n\nHappy npmrc switching! :)'
   on:
     tags: true

README.md

@@ -2,6 +2,23 @@
 
 A CLI to manage multiple npmrc files
 
+## Installation from source
+
+```
+git clone https://github.com/RecuencoJones/npmrc
+cd npmrc
+go get -t ./...
+go install ./...
+```
+
+## Installation from releases
+
+- Download the binary for your distribution
+- Rename it to `npmrc`
+- Make it available in your path
+
+Happy `.npmrc` switching!
+
 ## Usage
 
 ```