doc: Update CircleCI orb documentation

Author: josemiguelmelo

.circleci/config.yml

@@ -27,9 +27,9 @@ jobs:
       - run:
           name: Pack orb
           command: |
-            echo ""                                                       >> orbs/examples/codacy-coverage-report.yml
-            echo "  orbs:"                                                  >> orbs/examples/codacy-coverage-report.yml
-            echo "    coverage-reporter: codacy/coverage-reporter@$(cat .version)"  >> orbs/examples/codacy-coverage-report.yml
+            echo "" >> orbs/examples/codacy-coverage-report.yml
+            echo "  orbs:" >> orbs/examples/codacy-coverage-report.yml
+            echo "    coverage-reporter: codacy/coverage-reporter@$(cat .version)" >> orbs/examples/codacy-coverage-report.yml
             circleci config pack orbs > orb.yml
       - run:
           name: Validate orb

README.md

@@ -309,7 +309,7 @@ Example:
       send-coverage-report:
         steps:
           - checkout
-          - run: <run-coverage-command>
+          - "run commands to generate the coverage result"
           - coverage-reporter/send_report
     workflows:
       version: 2

orbs/examples/codacy-coverage-report.yml

@@ -2,9 +2,10 @@ description: Send coverage report to Codacy
 usage:
   jobs:
     codacy-coverage-report:
-      machine: true
+      docker:
+        - image: circleci/openjdk:8-jdk
       steps:
         - checkout
-        - run: <run-coverage-command>
+        - "run commands to generate the coverage result"
         - coverage-reporter/send_report
   version: 2.1