Update CONTRIBUTING.md

CONTRIBUTING.md

@@ -6,7 +6,7 @@ If you are joining the project from the previous repository at admin-shell-io/aa
 
 The [Contribution guildelines](#contribution-guidelines) section includes general guidelines as well as additional quirks specific to Eclipse Foundation projects, so it is definitely worth a read as well.
 
-## Migrating
+## Joining Development
 
 AASX Package Explorer is an Eclipse Foundation incubated project and therefore needs to adhere to Eclipse Foundation rules.
 This introduces a slight overhead for every contributor, at least at the very begginning, but it's worth it!
@@ -23,10 +23,100 @@ Here are the steps to begin contributing to the Eclipse AASX Package Explorer (a
 
 4. contact a Project Lead or a Committer to be nominated to a Committer yourself (and receive more repository priviledges, such as ability to merge)
 
-### 
+## General development guidelines
 
-## Contribution guidelines
-
-tbd
+tbd:
 
+- disabled projects
 - pipelining/admin/configuration
+- releases
+
+### How to contribute
+
+Mechanics of how to actually contribute (e.g., merge/pull requests) are described in [AASX Project Explorer Devdoc](https://admin-shell-io.github.io/aasx-package-explorer/devdoc/getting-started/intro.html).
+
+To help you familiarize with the concept of Asset Administration Shell we provide the screencasts (both in English and German) at: https://admin-shell-io.com/screencasts/.
+
+For further information about the Asset Administration Shell, see the publication Details of the Asset Administration Shell by Plattform Industrie 4.0.
+
+We provide a couple of sample admin shells (packaged as .aasx) for you to test and play with the software at: http://www.admin-shell-io.com/samples/
+
+### Terms of Use
+
+This Eclipse Foundation open project is governed by the Eclipse Foundation
+Development Process and all its source code as well as the released binaries are subject to Eclipse Foundation’s Terms of Use, available at https://www.eclipse.org/legal/termsofuse.php.
+
+### Communication
+
+Communication between contributors takes place predominantly through project issues and repository mailing list: TBD
+
+### Repositories
+
+Source code is publically available in the https://github.com/eclipse-aaspe/aaspe repository.
+
+### ECA
+
+Contributors are required to electronically sign the Eclipse Contributor Agreement (https://www.eclipse.org/legal/ECA.php) to contribute to Eclipse AASX Package Explorer™.
+
+Commits that are provided by non-committers must contain a Signed-off-by field in
+the footer indicating that the author is aware of the terms by which the
+contribution has been provided to the project. The non-committer must
+additionally have an Eclipse Foundation account and must have a signed Eclipse
+Contributor Agreement (ECA) on file.
+
+
+## Eclipse sources - useful links
+
+##### Development process
+
+https://www.eclipse.org/projects/dev_process/ 
+
+Overview/flowchart of the whole process 
+https://www.eclipse.org/projects/dev_process/#6_Development_Process 
+
+##### Project handbook
+
+https://www.eclipse.org/projects/handbook/ 
+
+Starting an OS project with Eclipse Foundation 
+https://www.eclipse.org/projects/handbook/#starting 
+
+User roles (User/Committer/Project Lead/Project Management Committee) 
+https://www.eclipse.org/projects/handbook/#roles 
+
+Intellectual property 
+https://www.eclipse.org/projects/handbook/#ip 
+
+Releases 
+https://www.eclipse.org/projects/handbook/#release 
+
+##### Development resources
+
+https://wiki.eclipse.org/Development_Resources 
+
+Getting started 
+https://wiki.eclipse.org/Development_Resources#Projects:_Getting_Started 
+
+Incubation phase 
+https://wiki.eclipse.org/Development_Resources/HOWTO/Incubation_Phase 
+
+##### Eclipsepedia
+
+https://wiki.eclipse.org/Main_Page 
+
+FAQs 
+https://wiki.eclipse.org/The_Official_Eclipse_FAQs 
+
+IP stuff 
+https://wiki.eclipse.org/IP_Stuff 
+
+##### Misc
+
+Legal: committer “due diligence” guidelines 
+https://www.eclipse.org/legal/committerguidelines.php
+
+Project management infrastructure 
+https://wiki.eclipse.org/Project_Management_Infrastructure 
+
+Forges (community of communities) 
+https://wiki.eclipse.org/Forges