Updated contributing in README.md and added Financial Contribution in CONTRIBUTING.md, absolute links replaced with relative ones

Author: valasek

.github/CONTRIBUTING.md

@@ -2,11 +2,12 @@
 
 Hi! I’m really excited that you are interested in contributing to Quasar. Before submitting your contribution though, please make sure to take a moment and read through the following guidelines.
 
-- [Code of Conduct](https://github.com/quasarframework/quasar/blob/dev/.github/CODE_OF_CONDUCT.md)
+- [Code of Conduct](CODE_OF_CONDUCT.md)
 - [Issue Reporting Guidelines](#issue-reporting-guidelines)
 - [Pull Request Guidelines](#pull-request-guidelines)
 - [Development Setup](#development-setup)
 - [Project Structure](#project-structure)
+- [Financial Contribution](#financial-contribution)
 
 ## Issue Reporting Guidelines
 
@@ -103,3 +104,9 @@ $ yarn lint # or: npm run lint
 
 ## Dev Server for Quasar (/ui)
 Running `yarn dev` (or `npm run dev`) starts up a dev server which uses HMR (Hot Module Reload) for Quasar source code. You can easily test your changes by making necessary changes to `/dev` `*.vue` files.
+
+## Financial Contribution
+
+Quasar Framework is an MIT-licensed open source project. Its ongoing development is made possible thanks to the support by these awesome [backers](../backers.md).
+
+**Please read our manifest on [Why donations are important](https://quasar.dev/why-donate)**. If you'd like to become a donator, check out [Quasar Framework's Donator campaign](https://donate.quasar.dev).

README.md

@@ -128,7 +128,9 @@ Ask questions at the official community forum: [https://forum.quasar.dev](https:
 
 ## Contributing
 
-I'm excited if you want to contribute to Quasar under any form (report bugs, write a plugin, fix an issue, write a new feature).
+Please make sure to read the [Contributing Guide](./.github/CONTRIBUTING.md) before making a pull request. If you have a Quasar-related project/component/tool, add it with a pull request to [this curated list](https://github.com/quasarframework/quasar-awesome)!
+
+Thank you to all the people who already <a href="graphs/contributors">contributed to Quasar</a>!
 
 ## Semver
 Quasar is following [Semantic Versioning 2.0](https://semver.org/).