Clean up README (#1114)

* Update README.md

* updated readme assets

* delete deprecated lifeline

* update contributing guide and delete old build guides/notes

* fix typos

* update ui formatting recommendation

* update readmes and contributing guide with build steps and dependencies

* add script to install sdk

Co-authored-by: Lucy Cifferello <12953208+elvece@users.noreply.github.com>

ui/README.md

@@ -2,7 +2,11 @@
 
 ## Development Environment Setup
 
-**Make sure you have git, nvm (node, npm), and rust installed**
+- Requirements:
+  - [Install nodejs](https://nodejs.org/en/)
+  - [Install npm](https://www.npmjs.com/get-npm)
+  - [Install ionic cli](https://ionicframework.com/docs/intro/cli)
+  - Recommended: [Install nvm](https://github.com/nvm-sh/nvm)
 
 ```
 node --version
@@ -12,23 +16,27 @@ npm --version
 v8.0.0
 ```
 
-### Building Embassy UI
+## Styleguide
+
+This project utilizes [prettier](https://prettier.io/) for formatting.
+
+## Building Embassy UI
 
 `git clone https://github.com/Start9Labs/embassy-os.git`
 
 `cd embassy-os`
 
-`git submodule update --init --recursive`
+`git submodule update --init --recursive` - installs submodule projects
 
 `cd ui/`
 
-`npm install -g @ionic/cli`
+`npm install -g @ionic/cli` 
 
-`npm --prefix . install`
+`npm --prefix . install` - installs node package dependencies
 
-`npm --prefix . run build-deps`
+`npm --prefix . run build-deps` - compiles dependent libraries, particularly the client for patch-db
 
-Copy `config-sample.json` to new file `config.json`
+Copy `config-sample.json` and contents to a new file called `config.json`
 In `config.json`, edit the "mocks" section to look like the following:
 
 ```
@@ -41,6 +49,18 @@ In `config.json`, edit the "mocks" section to look like the following:
 
 Valid values for "maskAs" are `tor` and `lan`.
 
-**Start the development server**
+### Start the development server
 
-`ionic serve`
+Serves the ui on localhost:8100 for local development. 
+Edit `./ui/use-mocks.json` to 'true' to use mocks during local development
+
+```
+ionic serve
+```
+
+### Production Build
+Before publishing a PR, please build for production and correct any errors. Run the following command, which compiles project customized for deployment to an Embassy, depositing build artifacts into `ui/www`.
+
+```
+npm --prefix ui run build-prod
+```