fix(workflow): Updates workflow for docs (#528)

.github/workflows/build-test.yml

@@ -2,9 +2,9 @@ name: Build
 
 on:
   push:
-    branches: [ main ]
+    branches: [main]
   pull_request:
-    branches: [ main ]
+    branches: [main]
 
 jobs:
   build:

.github/workflows/update-docs.yml

@@ -1,12 +1,12 @@
 name: Updates Docs
+
 on:
-  push:
-    branches:
-      - main
+  repository_dispatch:
+    types: [docs]
+
 jobs:
   update-docs:
     runs-on: ubuntu-latest
-    if: "contains(github.event.head_commit.message, 'docs') || contains(github.event.head_commit.message, 'documentation')"
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2