doc: Improve README and Contributing (#2480)

* doc: Improve README and Contributing

Signed-off-by: Olblak <[email protected]>

* fix: add roadmap to allow.txt

Signed-off-by: Olblak <[email protected]>

---------

Signed-off-by: Olblak <[email protected]>

Author: olblak

.github/actions/spelling/allow.txt

@@ -149,3 +149,4 @@ envcommon
 hclparse
 hclfile
 gruntwork
+Roadmap

CONTRIBUTING.adoc

@@ -1,35 +1,40 @@
-= CONTRIBUTING
+= Contributing
 :toc: preamble
 :toclevels: 3
 
 Thanks for your interest in this project, feel free to ask any questions you may have.
 
-== REQUIREMENTS
+== Requirements
 
 To build the project, make sure that you link:golang[https://go.dev/] installed, link:https://www.gnu.org/software/make/[GNU Make] and link:https://goreleaser.com/install/[goreleaser installed], then execute the command `make build`, or use Docker with:
 
 ```
 docker run --rm -v "$PWD":/usr/src/updatecli -w /usr/src/updatecli -e GOOS=windows -e GOARCH=386 golang:1.16 go build -v
 ```
 
-== CONTRIBUTE
+== Contribute
 
-They're multiple ways to contribute which don't necessarily involve coding, like providing feedback, improving documentation and processes.
+They're multiple ways to contribute which don't necessarily involve coding, like providing feedback, financially, improving documentation and processes.
 Here I'll just highlight some of them:
 
-=== FEEDBACK
+=== Feedback
 
 It's significantly harder to build a solution that could be used by different people. It involves many different skills hard to master and it's easy to get stuck in local optimum. So feel free to reach out to say what's wrong and what could be improved.
 
-=== CODE
+=== Code
 
 The code is divided into two categories, core and plugins. The core is designed to be independent and to provide the skeleton for the application, while the plugins define how things are automated for a specific use-case. The easiest part is probably plugins as it allows you to contribute independently to the process you are looking to automate.
 
 ==== CORE
 
 This section is still evolving as they're many areas that need attention.
 
-==== PLUGINS
+==== Financially
+
+If you're using this project and it's saving you time, consider supporting it financially. It's a great way to show appreciation and to help the project grow.
+You can sponsor the project on GitHub at link:https://github.com/sponsors/olblak[link]
+
+==== Plugins
 
 Plugins can be easily added by following this workflow:
 
@@ -188,7 +193,7 @@ targets:
 ```
 
 
-=== DOCUMENTATION
+=== Documentation
 
 If you spot phrasing issues or just a lack of documentation, feel free to open link:https://github.com/updatecli/updatecli/issues[an issue] and/or link:https://github.com/updatecli/updatecli/pulls[a pull request].
 https://github.com/updatecli/website[website]

README.adoc

@@ -1,5 +1,7 @@
 = Updatecli
 
+image:https://www.updatecli.io/images/updatecli.png[alt=Updatecli,float="right",align="center",width=200,height=200]
+
 link:https://matrix.to/#/#Updatecli_community:gitter.im[image:https://img.shields.io/matrix/updatecli:matrix.org[]]
 link:https://github.com/updatecli/updatecli/blob/main/LICENSE[image:https://img.shields.io/github/license/updatecli/updatecli[GitHub]]
 link:https://goreportcard.com/report/github.com/updatecli/updatecli[image:https://goreportcard.com/badge/github.com/updatecli/updatecli[Go Report Card]]
@@ -165,6 +167,17 @@ More information link:https://www.updatecli.io/docs/prologue/introduction/[here]
 
 ---
 
+== Roadmap
+
+We use the GitHub milestone link:https://github.com/updatecli/updatecli/milestone/73[**Next**] to prioritize our effort. As our requirements evolve we regularly add plugins or improve existing ones.
+
+If you ever need a specific integration, feel free to either:
+
+1. Contribute it, we are more than happy to help. link:https://github.com/updatecli/updatecli/blob/main/CONTRIBUTING.adoc[Link]
+2. Comment on existing issues as we may prioritize issues affecting other users. link:https://github.com/updatecli/updatecli/issues[Link]
+3. Sponsor financially the project link:https://github.com/sponsors/olblak[link]
+4. Feel free to reach out to mailto:[email protected][[email protected],role=email] to see how we can help you.
+
 == Contributing
 
 As a community-oriented project, all contributions are greatly appreciated!
@@ -186,6 +199,8 @@ More information available at link:https://github.com/updatecli/updatecli/blob/m
 * 2023
 ** FOSDEM (BE) - Cloud Native Dependencies link:https://fosdem.org/2023/schedule/event/continuous_update_everything/[Video]
 ** CIVO Cloud (UK) - Onward a Continuously Updated Kubernetes Marketplace link:https://www.youtube.com/watch?v=B2wmA627E4w[Video]
+* 2024
+** DevOps Days 15 year anniversary celebration (BE) - Continuously Update Everything
 
 == Links
 
@@ -198,3 +213,6 @@ More information available at link:https://github.com/updatecli/updatecli/blob/m
 
 link:https://github.com/updatecli/updatecli/graphs/contributors"[image:https://contrib.rocks/image?repo=updatecli/updatecli[]]
 
+== Thanks to the sponsors ❤️
+
+link:https://www.prefect.io/[image:https://avatars.githubusercontent.com/u/41086007?v=4[alt=PrefectHQ,height=200, width=200]]