Move the environment configuration YAML files into the main JAR

This allows configuration to work properly from the nomulus tool.

TESTED=I built and ran it against several environments, and all worked
properly.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=146697124

java/google/registry/config/files/nomulus-config-production-sample.yaml

@@ -0,0 +1,65 @@
+# This is a sample production config (to be deployed in the WEB-INF directory).
+# This is the same as what Google Registry runs in production, except with
+# placeholders for Google-specific settings.
+
+appEngine:
+  projectId: placeholder
+  # The "tools-dot-" prefix is used on the project ID in this URL in order to
+  # get around an issue with double-wildcard SSL certs.
+  toolsServiceUrl:
+    hostName: tools-dot-placeholder.appspot.com
+    port: 443
+
+gSuite:
+  domainName: placeholder
+  outgoingEmailDisplayName: placeholder
+  outgoingEmailAddress: placeholder
+  adminAccountEmailAddress: placeholder
+
+registryPolicy:
+  contactAndHostRoidSuffix: placeholder
+  productName: placeholder
+  greetingServerId: placeholder
+  registrarChangesNotificationEmailAddresses:
+    - placeholder
+    - placeholder
+  defaultRegistrarWhoisServer: placeholder
+  defaultRegistrarReferralUrl: placeholder
+  tmchCaMode: PRODUCTION
+  tmchCrlUrl: http://crl.icann.org/tmch.crl
+  tmchMarksDbUrl: https://ry.marksdb.org
+  checkApiServletClientId: |
+    multi-line
+    placeholder
+  whoisDisclaimer: |
+    multi-line
+    placeholder
+
+rde:
+  reportUrlPrefix: https://ry-api.icann.org/report/registry-escrow-report
+  uploadUrl: sftp://placeholder@sftpipm2.ironmountain.com/Outbox
+  sshIdentityEmailAddress: placeholder
+
+registrarConsole:
+  logoFilename: placeholder
+  supportPhoneNumber: placeholder
+  supportEmailAddress: placeholder
+  announcementsEmailAddress: placeholder
+  integrationEmailAddress: placeholder
+  technicalDocsUrl: https://drive.google.com/drive/folders/placeholder
+
+misc:
+  sheetExportId: placeholder
+
+rdap:
+  baseUrl: placeholder
+
+# You only need to specify this section if using Braintree.
+braintree:
+  merchantId: placeholder
+  publicKey: placeholder
+  # Only include currencies that you use.
+  merchantAccountIdsMap:
+    EUR: placeholder
+    JPY: placeholder
+    USD: placeholder