Add windows registry keys

src/scripts/zec-qt-wallet.wxs

@@ -64,6 +64,19 @@
                 <File Source="zcashd.exe" />
                 <File Source="zcash-cli.exe" />
                 <File Source="README.md" />
+
+                <RegistryKey Root="HKCR"
+                        Key="zcash"
+                        Action="createAndRemoveOnUninstall">
+                    <RegistryValue Type="string" Name="URL Protocol" Value=""/>
+                    <RegistryValue Type="string" Value="URL:zcash URI protocol"/>
+                    <RegistryKey Key="DefaultIcon">
+                    <RegistryValue Type="string" Value="zecwallet.exe" />
+                    </RegistryKey>
+                    <RegistryKey Key="shell\open\command">
+                    <RegistryValue Type="string" Value="&quot;[INSTALLFOLDER]zecwallet.exe&quot; &quot;%1&quot;" />
+                    </RegistryKey>
+                </RegistryKey>
 			</Component>
 		</ComponentGroup>
 	</Fragment>