added all schema that imports all schema files necessary for .ee EPP implementation

doc/schemas/all-ee-1.0.xsd

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+  <!--
+  This schema imports other schemas used for Estonian ccTLD
+  .ee EPP queries and responses.
+  -->
+  <schema targetNamespace="https://epp.tld.ee/schema/all-ee-1.0"
+          xmlns:all="https://epp.tld.ee/schema/all-ee-1.0"
+          xmlns="http://www.w3.org/2001/XMLSchema"
+          elementFormDefault="qualified">
+
+    <!--
+    Import all schemas related to .ee EPP protocol.
+    Anytime the version of any imported schema is raised, the version of
+    'all' schema is also raised.
+    eppcom and epp schemas never change the version. This would result
+    in incompatibility with EPP standard.
+    -->
+    <import namespace="urn:ietf:params:xml:ns:eppcom-1.0"
+      schemaLocation="eppcom-1.0.xsd"/>
+    <import namespace="urn:ietf:params:xml:ns:epp-1.0"
+      schemaLocation="epp-1.0.xsd"/>
+    <import namespace="https://epp.tld.ee/schema/contact-eis-1.0"
+      schemaLocation="contact-eis-1.0.xsd"/>
+    <import namespace="https://epp.tld.ee/schema/domain-eis-1.0"
+      schemaLocation="domain-eis-1.0.xsd"/>
+    <!-- EPP protocol extensions -->
+    <import namespace="urn:ietf:params:xml:ns:secDNS-1.1"
+      schemaLocation="secNDS-1.1.xsd"/>
+    <import namespace="https://epp.tld.ee/schema/eis-1.0"
+      schemaLocation="eis-1.0.xsd"/>
+
+    <annotation>
+      <documentation>
+        Extensible Provisioning Protocol v1.0
+        all schema's grouped together
+      </documentation>
+    </annotation>
+
+  </schema>