Revert "chore: remove fasterci which is often red"

This reverts commit 66f2849bf38ebfc6dd6df95bf5d9cb18b87a3364.
I need to find someone at Google to fix the settings, as the absence of
this file just guarantees that EVERY PR is red.

In the meantime, FasterCI was at least green some of the time.
diff --git a/.fasterci/config.yaml b/.fasterci/config.yaml
new file mode 100644
index 0000000..1dc2f88
--- /dev/null
+++ b/.fasterci/config.yaml
@@ -0,0 +1,22 @@
+# configure vscode yaml support https://marketplace.visualstudio.com/items?itemName=redhat.vscode-yaml
+# yaml-language-server: $schema=https://fasterci.com/config.schema.json
+workflows:
+  - name: faster CI
+    image: us.gcr.io/fasterci/bazelbuilder:d278ee1
+    on:
+      push:
+        branches:
+          - stable
+      pull_request:
+        branches:
+          - "**"
+    steps:
+      - name: bazel test
+        bazel:
+          build_targets:
+            - "//..."
+          test_flags: 
+            - "--test_tag_filters=-e2e,-examples"
+          test_targets: 
+            - //... 
+    cleanup: git clean -ffdx