Build signed .crx

  - move build from source info to CONTRIBUTING

CONTRIBUTING.md

@@ -1,3 +1,17 @@
+## Building from source: dev mode
+
+ 1. `npm install` as usual to get runtime dependencies and dev tools
+ 2. `npm start` to bundle / link each time sources change
+ 3. Use [load unpacked][1] to load the results in the `dist/` directory.
+
+[1]: https://developer.chrome.com/extensions/getstarted#unpacked
+
+## Building from source: production
+
+ 1. `npm install` as usual to get runtime dependencies and dev tools
+ 2. Generate a signing key: `ln -s ~/.ssh; openssl genrsa 2048 | openssl pkcs8 -topk8 -nocrypt > .ssh/RSign-dckc.pem`
+ 2. `npm run build` to link modules and generate a packed .crx file
+
 ## Code Style: Airbnb, mostly
 
 Run `npm run lint`. See `eslintrc.yaml` for deviations from Airbnb

README.md

@@ -31,8 +31,4 @@ signatures. For example, see
 Only Chrome (and Chromium) are supported to date. Firefox support is
 planned.
 
- 1. `npm install` to get runtime dependencies and dev tools
- 2. `npm run build` to link modules
- 3. Use [load unpacked][1].
-
-[1]: https://developer.chrome.com/extensions/getstarted#unpacked
+Download the latest `.crx` file from https://github.com/dckc/RSign/releases .

package.json

@@ -1,6 +1,6 @@
 {
   "name": "rsign",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "description": "RChain Signature Extension",
   "main": "sigTool.js",
   "directories": {
@@ -30,6 +30,7 @@
   },
   "homepage": "https://github.com/dckc/RSign#readme",
   "devDependencies": {
+    "crx-webpack-plugin": "^0.1.5",
     "eslint": "^5.4.0",
     "eslint-config-airbnb-base": "^13.1.0",
     "eslint-plugin-import": "^2.14.0",