Update README with better example

README.md

@@ -16,16 +16,41 @@ GitHub Actions for Python projects using poetry
 ### Create `main.workflow`
 
 ```hcl
-workflow "Python workflow" {
+workflow "Publish Python package" {
   on = "push"
   resolves = ["publish"]
 }
 
+action "Install" {
+  uses = "abatilo/actions-poetry@3.7.3"
+  args = ["install"]
+}
+
+action "Run black" {
+  needs = "Install"
+  uses = "abatilo/actions-poetry@3.7.3"
+  args = ["run", "python", "-m", "black", "--check", "."]
+}
+
+action "Run pylint" {
+  needs = "Install"
+  uses = "abatilo/actions-poetry@3.7.3"
+  args = ["run", "python", "-m", "pylint", "src"]
+}
+
+action "Master branch" {
+  needs = ["Run pylint", "Run black"]
+  uses = "actions/bin/filter@master"
+  args = "branch master"
+}
+
 action "publish" {
-  needs = "poetry-build"
+  needs = "Master branch"
   uses = "abatilo/actions-poetry@3.7.3"
+  secrets = ["PYPI_USERNAME", "PYPI_PASSWORD"]
   args = ["publish", "--build", "--no-interaction", "-vv", "--username", "$PYPI_USERNAME", "--password", "$PYPI_PASSWORD"]
 }
+
 ```
 
 ## License