chore: regenerate README (#484)

This PR was generated using Autosynth. 🌈


<details><summary>Log from Synthtool</summary>

```
2021-04-09 18:40:37,714 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-translate/.github/readme/synth.py.
On branch autosynth-readme
nothing to commit, working tree clean
2021-04-09 18:40:38,983 synthtool [DEBUG] > Wrote metadata to .github/readme/synth.metadata/synth.metadata.

```
</details>

Full log will be available here:
https://source.cloud.google.com/results/invocations/907682cc-8372-4861-ad96-0816a12a2e38/targets

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.github/readme/synth.metadata/synth.metadata

@@ -4,14 +4,14 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-translate.git",
-        "sha": "7b937afb03a507bd1df72746de02d3f0237ac8d6"
+        "sha": "e0e66015ea2c8bb74186b9205b0146cad2683a56"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "8b13da943497f75c5303700bff5aabdd85d939e0"
+        "sha": "1f5e6bc8dc8e3661ee550905fc070e55e1b6cea1"
       }
     }
   ]

README.md

@@ -8,6 +8,9 @@ Java idiomatic client for [Cloud Translation][product-docs].
 - [Product Documentation][product-docs]
 - [Client Library Documentation][javadocs]
 
+
+
+
 ## Quickstart
 
 If you are using Maven with [BOM][libraries-bom], add this to your pom.xml file