add contributing file and move some files to docs

CONTRIBUTING.md

@@ -0,0 +1,29 @@
+# Contribution guide
+
+We're thrilled you're interested in contributing to SimpleEmail! There are lots of ways to get involved - see below for details.
+
+## Documentation
+
+Contributions to this document and the frequently asked questions
+are preferred in the form of [pull requests][pull-requests]).
+
+## Translations
+
+* You can translate the in-app texts of SimpleEmail please open a [pull requests][pull-requests] (looking for a web service).
+* If your language is not listed, please open a [issue][] or send a message through [email](distopico@riseup.net)
+
+## Source code
+
+Source code contributions are welcome, there's always work to be done on the SimpleEmail codebase, building from source code is 
+straightforward with [Android Studio](http://developer.android.com/sdk/). Here are the general rules:
+
+* Write good commit messages, we follow the [conventional commits][commits]
+* Make sure the linter (`./gradlew lint`) passes (in progress)
+* Stick to [F-Droid contribution guidelines](https://f-droid.org/wiki/page/Inclusion_Policy)
+* Make changes on a separate branch, not on the master branch. This is commonly known as *feature branch workflow* 
+* Send patches via [Pull Requests][pull-requests], you branch should follow this convention: `[type]-[description]` example `feat-improve-performance`
+* When submitting changes, you confirm that your code is licensed under the terms of the [GNU General Public License v3](https://www.gnu.org/licenses/gpl-3.0.html).
+* Please test (compile and run) your code before you submit changes
+
+ [commits]: https://www.conventionalcommits.org/en/v1.0.0-beta.2/
+ [pull-requests]: https://framagit.org/dystopia-project/simple-email/merge_requests

README.md

@@ -2,6 +2,11 @@
 
 SimpleEmail is [Free Software][free-software], minimalistic and privacy friendly email app for Android.
 
+* Easy navigation
+* No unnecessary settings
+* No bells and whistles
+* Simple design
+
 *This project has been forked from [FairEmail](https://github.com/M66B/open-source-email).*
 
 This email app might be for you if your current email app:
@@ -14,10 +19,10 @@ This email app might be for you if your current email app:
 * is not maintained
 * stores your email on their servers
 * is closed source, potentially violating your privacy
+* has "pro" features for basic things and hasn't transparent way to purchase that features
 
-This app is minimalistic by design, so you can concentrate on reading and writing messages.
-
-This app starts a foreground service with a low priority status bar notification to make sure you'll never miss new email.
+SimpleEmail is minimalistic by design, so you can concentrate on reading and writing messages, it starts a foreground 
+service with a low priority status bar notification to make sure you'll never miss new email.
 
 ## Features
 
@@ -31,27 +36,12 @@ This app starts a foreground service with a low priority status bar notification
 * Battery friendly
 * Low data usage
 * Folder management
-* Material design
-
-## Other features
-
 * Signatures
 * Dark theme
 * Account colors
-* Multiple select
-* Standard replies
-* Sort on time, unread or starred
-* Search on server
-* Preview sender/subject in new messages status bar notification
 * Encryption/decryption
 * Export settings
 
-## Simple
-
-* Easy navigation
-* No unnecessary settings
-* No bells and whistles
-
 ## Secure
 
 * Allow encrypted connections only
@@ -93,29 +83,8 @@ See [here](https://framagit.org/dystopia-project/simple-email/blob/master/FAQ.md
 ## Support
 
 * For support on SimpleEmail, please open a [issue][]
-
 * For support on authorizing accounts you should contact your provider.
 
-## Contributing
-
-*Documentation*
-
-Contributions to this document and the frequently asked questions
-are preferred in the form of [pull requests][pull-requests]).
-
-*Translations*
-
-* You can translate the in-app texts of SimpleEmail please open a [pull requests][pull-requests] (looking for a web service).
-* If your language is not listed, please open a [issue][] or send a message through [email](distopico@riseup.net)
-
-*Source code*
-
-Building SimpleEmail from source code is straightforward with [Android Studio](http://developer.android.com/sdk/).
-
-Source code contributions are welcome, please open a [pull requests][pull-requests].
-
-Please note that you agree to the license below by contributing.
-
 ## Attribution
 
 SimpleEmail uses: