Setup metamask module CI (#1968)

Author: Adamj1232

.circleci/config.yml

@@ -425,6 +425,12 @@ jobs:
     working_directory: ~/web3-onboard-monorepo/packages/bitkeep
     steps:
       - node-build-steps
+  build-metamask:
+    docker:
+      - image: cimg/node:16.13.1
+    working_directory: ~/web3-onboard-monorepo/packages/metamask
+    steps:
+      - node-build-steps
 
   # Build staging/Alpha releases
   build-staging-core:
@@ -685,6 +691,12 @@ jobs:
     working_directory: ~/web3-onboard-monorepo/packages/bitkeep
     steps:
       - node-staging-build-steps
+  build-staging-metamask:
+    docker:
+      - image: cimg/node:16.13.1
+    working_directory: ~/web3-onboard-monorepo/packages/metamask
+    steps:
+      - node-staging-build-steps
 
 workflows:
   version: 2
@@ -947,3 +959,9 @@ workflows:
           <<: *deploy_production_filters
       - build-staging-bitkeep:
           <<: *deploy_staging_filters
+  metamask:
+    jobs:
+      - build-metamask:
+          <<: *deploy_production_filters
+      - build-staging-metamask:
+          <<: *deploy_staging_filters