Update README, LICENCE and CONTRIBUTING files

.gitignore

@@ -21,3 +21,6 @@ xcuserdata
 # Xcode-Build-Server
 buildServer.json
 RIADigiDoc/Supporting files/GoogleService-Info.plist
+
+#AASA
+apple-app-site-association

CONTRIBUTING.md

@@ -0,0 +1 @@
+Please read the [common contributing guidelines](https://github.com/open-eid/org/blob/master/CONTRIBUTING.md) before you continue!

LICENSE → LICENCE.md

@@ -6,9 +6,9 @@
  Everyone is permitted to copy and distribute verbatim copies
  of this license document, but changing it is not allowed.
 
-[This is the first released version of the Lesser GPL.  It also counts
+(This is the first released version of the Lesser GPL.  It also counts
  as the successor of the GNU Library Public License, version 2, hence
- the version number 2.1.]
+ the version number 2.1.)
 
                             Preamble
 
@@ -470,8 +470,8 @@ safest to attach them to the start of each source file to most effectively
 convey the exclusion of warranty; and each file should have at least the
 "copyright" line and a pointer to where the full notice is found.
 
-    <one line to give the library's name and a brief idea of what it does.>
-    Copyright (C) <year>  <name of author>
+    {description}
+    Copyright (C) {year} {fullname}
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public
@@ -498,7 +498,7 @@ necessary.  Here is a sample; alter the names:
   library `Frob' (a library for tweaking knobs) written by James Random
   Hacker.
 
-  <signature of Ty Coon>, 1 April 1990
+  {signature of Ty Coon}, 1 April 1990
   Ty Coon, President of Vice
 
 That's all there is to it!

README.md

@@ -1 +1,43 @@
-# RIA-DigiDoc-iOS
+# RIA-DigiDoc-iOS
+
+![EU Regional Development Fund](docs/images/EL_Regionaalarengu_Fond_horisontaalne-vaike.jpg)
+
+* License: LGPL 2.1
+* © Estonian Information System Authority
+
+This repo contains source code for RIA DigiDoc application for iOS.
+This application contains following functionality:
+* Sign documents with ID-card (via USB card reader and NFC), mobile-ID and Smart-ID.
+* Encrypt and decrypt documents (via USB card reader and NFC)
+* Control ID-card certificates validity (via USB card reader and NFC)
+* Change or unlock PIN/PUK codes (via USB card reader and NFC)
+
+## libdigidocpp
+RIA-DigiDoc-iOS is using static version of libdigidoc. libdigidoc is used in app for managing container manipulations. More info: https://github.com/open-eid/libdigidocpp
+
+## libdcdoc
+RIA-DigiDoc-iOS is using static version of libcdoc. libcdoc is used in app for encrypt and decrypt operations. More info: https://github.com/open-eid/libcdoc
+
+# Features
+* Creating ASiC-E containers
+* Signing containers with Mobile-ID, Smart-ID and ID-card (via USB card reader and NFC)
+* Validating ASiC-E, BDOC, ASIC-S and DDOC containers
+* Validating detached XAdES and CAdES
+* Encrypting, decrypting and validating CDOC and CDOC2 containers
+* Change and unlock ID-card PIN codes (via USB card reader and NFC)
+
+## Overview and how to use
+App requirements, container format overview, documentation links and how to use instructions are available in Wiki:
+[How to use](https://github.com/open-eid/RIA-DigiDoc-iOS/wiki/How-to-use)
+
+## Building source code with Xcode
+Installation instructions are available in Wiki: 
+[Building source code with Xcode](https://github.com/open-eid/RIA-DigiDoc-iOS/wiki/Building-source-code-with-Xcode)
+
+## Development
+In [releases](https://github.com/open-eid/RIA-DigiDoc-iOS/releases) you will find application and modules, that you can use in your own application to implement document signing and encryption features. For more detailed instructions check out [wiki page](https://github.com/open-eid/RIA-DigiDoc-iOS/wiki).
+
+## Support
+Official builds are provided through official distribution point [https://www.id.ee/en/article/install-id-software/](https://www.id.ee/en/article/install-id-software/). If you want support, you need to be using official builds. Contact our support via www.id.ee for assistance.
+
+Source code is provided on "as is" terms with no warranty (see license for more information). Do not file Github issues with generic support requests.