add meta file

meta/main.yml

+
+galaxy_info:
+    role_name: kypo-user-access
+    author: Kamil Andoniadis
+    description: Distribution of user SSH public key to authorized keys.
+    licence: MIT
+    min_ansible_version: 2.3.3
+    platforms:
+        - name: Debian
+          versions:
+              - all
+        - name: Ubuntu
+          versions:
+              - all
+