Modify abc

.github/workflows/pra-01-Hello-World.yaml

@@ -0,0 +1,7 @@
+name: Hello World 111
+on: workflow_dispatch
+jobs:
+    echo-HelloWorld:
+        runs-on: ubuntu-24.04
+        steps:
+            - run: echo "Hello World"

.github/workflows/pra-02-3steps.yaml

@@ -0,0 +1,18 @@
+name: 3 steps
+on: workflow_dispatch
+jobs:
+    echo-hello:
+        runs-on: ubuntu-24.04
+        steps:
+            - run: echo "Hello World"
+    print-hello:
+        runs-on: ubuntu-24.04
+        steps:
+            - run: print("Hello World")
+              shell: python
+    run-github-action:
+            runs-on: ubuntu-24.04
+            steps:
+            - uses: actions/hello-world-javascript-action@v1
+              with:
+                who-to-greet: 'Hello'

.github/workflows/pra-03-stepbystep.yaml

@@ -0,0 +1,21 @@
+name: stepbystep1
+on: workflow_dispatch
+jobs:
+    job1:
+        runs-on: ubuntu-24.04
+        steps:
+            - run: echo 'run job 1'
+    job2:
+        runs-on: ubuntu-24.04
+        steps:
+            - run: echo 'run job 2'
+    job3:
+        runs-on: ubuntu-24.04
+        needs: [job1, job2]
+        steps:
+            - run: echo 'run job 3'
+    job4:
+        runs-on: ubuntu-24.04
+        needs: [job1, job3]
+        steps:
+            - run: echo 'run job 4'

.github/workflows/pra04-pull-request.yaml

@@ -0,0 +1,20 @@
+name: pull request 1
+on:
+    push:
+        branches:
+            - 'example-branch/*'
+    pull_request:
+        types:
+            - opened
+            - reopened
+            - synchronize
+        paths:
+            - '!03-core-features/filters/excluded-file.txt'
+            - '03-core-features/filters/included-file.md'
+    workflow_dispatch:
+jobs:
+    echo-hello:
+        runs-on: ubuntu-24.04
+        steps:
+            - name: hello
+              run: cat "$GITHUB_EVENT_PATH"

01-history-and-motivation/README.md

@@ -14,7 +14,7 @@ The time between writing and shipping software has shrunk drastically over the d
 | ☁️ 2010s–Now      | **CI/CD pipelines & cloud**     | Multiple times per day |
 
 ![](./readme-assets/speed-of-delivery-over-time.png)
-
+Hello gay
 ## History of CI Systems
 
 | Year | CI Tool           | Significance |

03-core-features/filters/included-file.md

@@ -0,0 +1 @@
+hello