docs: update contributing (#528)

Author: dino-rodriguez

CONTRIBUTING.md

@@ -16,23 +16,17 @@ The following is a set of guidelines for contributing to PayID and associated pa
 
 ## Code of Conduct
 
-<!-- TODO:(hbergren) Update this to the Code of Conduct on `payid-org` when it exists -->
-
-This project and all participants are governed by the [PayID Code of Conduct](https://github.com/xpring-eng/.github/blob/master/CODE_OF_CONDUCT.md).
+This project and all participants are governed by the [PayID Code of Conduct](https://github.com/payid-org/guidelines/blob/master/CODE_OF_CONDUCT.md).
 
 ## Issue Reporting Guidelines
 
-<!-- TODO:(hbergren) Update these links when we migrate to `payid-org`. -->
-
 If you've found a bug or want to request a new feature, please [create a new issue](https://github.com/payid-org/payid/issues/new) or a [pull request](https://github.com/payid-org/payid/compare) on GitHub.
 
 Please include as much detail as possible to help us properly address your issue. If we need to triage issues and constantly ask people for more detail, that's time taken away from actually fixing issues. Help us be as efficient as possible by including a lot of detail in your issues.
 
 ### Reporting Vulnerabilities
 
-<!-- TODO:(hbergren) Update this link when we migrate to `payid-org` -->
-
-If you have found a vulnerability, please read our [Vulnerability Disclosure Policy](https://github.com/xpring-eng/.github/blob/master/SECURITY.md) to learn how to responsibly report the vulnerability.
+If you have found a vulnerability, please read our [Vulnerability Disclosure Policy](https://github.com/payid-org/guidelines/blob/master/SECURITY.md) to learn how to responsibly report the vulnerability.
 
 ## Pull Request Guidelines
 
@@ -53,7 +47,6 @@ If you have found a vulnerability, please read our [Vulnerability Disclosure Pol
 
 ## Versioning
 
-<!-- TODO:(hbergren) Update the Github Releases link to `payid-org` when it exists -->
 <!-- TODO:(hbergren) Add a link to the CHANGELOG when it exists. -->
 
 The PayID reference implementation itself follows [Semantic Versioning](https://semver.org/), and this is the version that is referenced by [Github Releases](https://github.com/payid-org/payid/releases) and in the [package.json](./package.json) file.
@@ -64,8 +57,6 @@ The RESTful CRUD API for interacting with PayIDs on the server is versioned as w
 
 ## Development Setup
 
-<!-- TODO:(hbergren) We should update this section once we have our Postgres Docker container. -->
-
 You will need [NodeJS](https://nodejs.org/en/) v12 or higher, and [npm](https://www.npmjs.com/get-npm).
 
 You will also need a local Postgres database running. The specifics can be set as environment variables read in [config.ts](./src/config.ts).
@@ -87,6 +78,17 @@ $ npm run test
 
 # Lint the code, auto-fixing any auto-fixable problems
 $ npm run lint
+
+# Boot up a development database
+# (A Postgres database in a Docker container configured to run with PayID)
+$ npm run devDbUp
+
+# Boot up a full development environment
+# (A database & PayID server in 2 separate Docker containers)
+$ npm run devEnvUp
+
+# Bring down the development environment
+$ npm run devDown
 ```
 
 There are other scripts available in the `scripts` section of the [package.json](./package.json) file.