Adapt update-docs-branch to publish docs from master

scripts/update-docs-branch.js

@@ -11,13 +11,15 @@ const tryRead = cmd => {
   }
 };
 
-const releaseBranchRegex = /^release-v(?<version>(?<major>\d+)\.(?<minor>\d+)(?:\.(?<patch>\d+))?)$/;
+// The community contracts currently don't have a defined release process.
+// The master branch is used for development, and the docs are updated from there.
+const masterBranch = /^master$/;
 
 const currentBranch = read('git rev-parse --abbrev-ref HEAD');
-const match = currentBranch.match(releaseBranchRegex);
+const match = currentBranch.match(masterBranch);
 
 if (!match) {
-  console.error('Not currently on a release branch');
+  console.error('Not currently on master branch');
   process.exit(1);
 }