examples: reduce completion friction, when doing the very common `v r…

…un examples/hello_world.v` in a shell

.github/workflows/debug.yml

@@ -33,7 +33,7 @@ jobs:
           ./v -cg cmd\tools\vtest-self.v
           ./v test-self
       - name: Test v->js
-        run: ./v -o hi.js examples/hello_v_js.v && node hi.js
+        run: ./v -o hi.js examples/js_hello_world.v && node hi.js
       - name: Test v binaries
         run: ./v build-vbinaries
       - name: Build examples

.github/workflows/linux_ci.yml

@@ -141,7 +141,7 @@ jobs:
       # - name: Test v binaries
       #   run: v -N -W build-vbinaries
       # - name: Test v->js
-      #   run: v -o hi.js examples/hello_v_js.v && node hi.js
+      #   run: v -o hi.js examples/js_hello_world.v && node hi.js
       # - name: Build Vorum
       #   run: v retry -- git clone --depth 1 https://github.com/vlang/vorum && cd vorum && v . && cd ..
       - name: Freestanding
@@ -336,7 +336,7 @@ jobs:
   #   # - name: Test v binaries
   #   #   run: v -N -W build-vbinaries
   #   # - name: Test v->js
-  #   #   run: v -o hi.js examples/hello_v_js.v && node hi.js
+  #   #   run: v -o hi.js examples/js_hello_world.v && node hi.js
   #   - name: quick debug
   #     run: v -stats vlib/strconv/format_test.v
   #   - name: Self tests

.github/workflows/windows_ci.yml

@@ -64,7 +64,7 @@ jobs:
       - name: Build option_test.c.v with -autofree
         run: v -autofree vlib/v/tests/options/option_test.c.v
       - name: Test v->js
-        run: v -o hi.js examples/hello_v_js.v && node hi.js
+        run: v -o hi.js examples/js_hello_world.v && node hi.js
       - name: Test v binaries
         run: v build-vbinaries
       - name: Build examples
@@ -119,7 +119,7 @@ jobs:
       # - name: Test
       #   run: v test-all
       - name: Test v->js
-        run: v -o hi.js examples/hello_v_js.v && node hi.js
+        run: v -o hi.js examples/js_hello_world.v && node hi.js
       - name: Test v binaries
         run: v build-vbinaries
       - name: Build examples
@@ -173,7 +173,7 @@ jobs:
       - name: Self tests
         run: v test-self vlib
       - name: Test v->js
-        run: v -o hi.js examples/hello_v_js.v && node hi.js
+        run: v -o hi.js examples/js_hello_world.v && node hi.js
       - name: Test v binaries
         run: v build-vbinaries
       - name: Build examples
@@ -217,7 +217,7 @@ jobs:
         # - name: Self tests
         #   run: v test-self vlib
         # - name: Test v->js
-        #   run: v -o hi.js examples/hello_v_js.v && node hi.js
+        #   run: v -o hi.js examples/js_hello_world.v && node hi.js
         # - name: Test v binaries
         #   run: v build-vbinaries
         # - name: Build examples

README.md

@@ -319,7 +319,7 @@ https://github.com/vlang/ui
 <!---
 ## JavaScript backend
 
-[examples/hello_v_js.v](examples/hello_v_js.v):
+[examples/js_hello_world.v](examples/js_hello_world.v):
 
 ```v
 fn main() {
@@ -330,7 +330,7 @@ fn main() {
 ```
 
 ```bash
-v -o hi.js examples/hello_v_js.v && node hi.js
+v -o hi.js examples/js_hello_world.v && node hi.js
 Hello from V.js
 Hello from V.js
 Hello from V.js