Merge pull request #308 from tableflip/dev-firefox

Adds firefox development instructions

README.md

@@ -16,8 +16,8 @@
 - [Background](#background)
 - [Features](#features)
 - [Install](#install)
-- [Troubleshooting](#troubleshooting)
 - [Contribute](#contribute)
+- [Troubleshooting](#troubleshooting)
 - [License](#license)
 
 ## Background
@@ -89,20 +89,34 @@ For historical background on the rewrite see [Issue #20: Move to WebExtensions](
 
 Install the latest signed release from [Chrome Web Store](https://chrome.google.com/webstore/detail/ipfs-companion/nibjojkomfdiaoajekhjakgkdhaomnch).
 
-### Other Browsers Supporting WebExtensions API
+### Development or other Browsers Supporting WebExtensions API
 
 Try manual installation:
 
 1. Download Sources
 2. Build it:
 
-  ```bash
-  npm install
-  npm run build
-  ```
+    ```bash
+    npm install
+    npm run build
+    ```
+
+3. Load it into browser:
+    * Chromium-based
+        1. Enter `chrome://extensions` in the URL bar
+        2. Enable "Developer mode"
+        3. Click "Load unpacked extension..." and point it at `add-on/manifest.json`
+    * Firefox
+        1. Enter `about:debugging` in the URL bar
+        2. Click "Load Temporary Add-on" and point it at `add-on/manifest.json`
+
+
+
+## Contribute
 
-3. Load it into browser (eg. open up `chrome://extensions` in Chromium-based browser, enable "Developer mode", click "Load unpacked extension..." and point it at `add-on/manifest.json`)
+If you want to help in developing this extension, please see [CONTRIBUTING](CONTRIBUTING.md) page :sparkles:
 
+This repository falls under the IPFS [Code of Conduct](https://github.com/ipfs/community/blob/master/code-of-conduct.md).
 
 ### TROUBLESHOOTING
 
@@ -128,17 +142,10 @@ Deny
 
 Feel free to modify it, but get familiar with [ABE rule syntax](https://noscript.net/abe/abe_rules.pdf) first.
 
-## Contribute
-
-Please see [CONTRIBUTING](CONTRIBUTING.md) page :sparkles:
-
-This repository falls under the IPFS [Code of Conduct](https://github.com/ipfs/community/blob/master/code-of-conduct.md).
-
 ## License
 
 [IPFS logo](https://github.com/ipfs/logo) belongs to [The IPFS Project](https://github.com/ipfs) and is licensed under a <a rel="license" href="https://creativecommons.org/licenses/by-sa/3.0/legalcode">CC-BY-SA 3.0</a>.
 
 [is-ipfs](https://github.com/xicombd/is-ipfs), [js-multihash](https://github.com/jbenet/js-multihash) and other NPM dependencies are under MIT license, unless stated otherwise.
 
 The add-on itself is released under [CC0](LICENSE): to the extent possible under law, the author has waived all copyright and related or neighboring rights to this work, effectively placing it in the public domain.
-