Translate all code to English (#1836)

* Review the EN heading format.

* Fix pythontutor headings.

* Fix pythontutor headings.

* bug fixes

* Fix headings in **/summary.md

* Revisit the CN-to-EN translation for Python code using Claude-4.5

* Revisit the CN-to-EN translation for Java code using Claude-4.5

* Revisit the CN-to-EN translation for Cpp code using Claude-4.5.

* Fix the dictionary.

* Fix cpp code translation for the multipart strings.

* Translate Go code to English.

* Update workflows to test EN code.

* Add EN translation for C.

* Add EN translation for CSharp.

* Add EN translation for Swift.

* Trigger the CI check.

* Revert.

* Update en/hash_map.md

* Add the EN version of Dart code.

* Add the EN version of Kotlin code.

* Add missing code files.

* Add the EN version of JavaScript code.

* Add the EN version of TypeScript code.

* Fix the workflows.

* Add the EN version of Ruby code.

* Add the EN version of Rust code.

* Update the CI check for the English version  code.

* Update Python CI check.

* Fix cmakelists for en/C code.

* Fix Ruby comments

.github/workflows/kotlin.yml

@@ -2,11 +2,15 @@ name: Kotlin
 
 on:
   push:
-    branches: [ "main" ]
-    paths: ["codes/kotlin/**/*.kt"]
+    branches: ["main"]
+    paths:
+      - "codes/kotlin/**/*.kt"
+      - "en/codes/kotlin/**/*.kt"
   pull_request:
-    branches: [ "main" ]
-    paths: ["codes/kotlin/**/*.kt"]
+    branches: ["main"]
+    paths:
+      - "codes/kotlin/**/*.kt"
+      - "en/codes/kotlin/**/*.kt"
   workflow_dispatch:
 
 jobs:
@@ -14,11 +18,12 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ ubuntu-latest, macos-latest ]
+        os: [ubuntu-latest, macos-latest]
+        code-dir: ["codes/kotlin", "en/codes/kotlin"]
 
     name: Kotlin on ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4.1.2
 
       - name: Build JAR
-        run: kotlinc codes/kotlin/**/*.kt -include-runtime -d codes/kotlin/build/test.jar
+        run: kotlinc ${{ matrix.code-dir }}/**/*.kt -include-runtime -d ${{ matrix.code-dir }}/build/test.jar