vala: Create Vala template

Initial work to port Vala to Meson

Author: Diego-Ivan

src/langs/vala/meson.build

@@ -0,0 +1,2 @@
+install_data(['template/meson.build', 'template/workbench.vala'],
+             install_dir : join_paths(pkgdatadir, 'langs/vala/template'))

src/langs/vala/template/meson.build

@@ -0,0 +1,39 @@
+project('demo', ['c', 'vala'],
+          version: '0.1',
+    meson_version: '>= 0.59.0',
+  default_options: [ 'warning_level=2', 'werror=false', ],
+)
+
+i18n = import('i18n')
+gnome = import('gnome')
+
+source_files = [
+    'main.vala',
+    'workbench.vala'
+]
+
+cc = meson.get_compiler('c')
+m_dep = cc.find_library('m', required : false)
+
+add_project_arguments(
+    '-shared',
+    '-fpic',
+    language: 'c'
+)
+
+dependencies = [
+    m_dep,
+    dependency('libadwaita-1'),
+    dependency('shumate-1.0'),
+    dependency('libportal-gtk4'),
+    dependency('libsoup-3.0'),
+    dependency('webkitgtk-6.0'),
+    dependency('gstreamer-1.0'),
+    dependency('gtksourceview-5'),
+]
+
+executable('demo', source_files,
+  objects: 'libworkbenchcode.so',
+  dependencies: dependencies,
+       install: true,
+)

src/langs/vala/workbench.vala renamed to src/langs/vala/template/workbench.vala

@@ -17,6 +17,7 @@ meson.add_install_script('../build-aux/library.js', pkgdatadir)
 
 subdir('langs/rust/template')
 subdir('langs/typescript')
+subdir('langs/vala')
 
 configure_file(
   input: 'bin.js',
@@ -45,7 +46,6 @@ configure_file(
   install_dir: get_option('bindir')
 )
 
-install_data('langs/vala/workbench.vala', install_dir: pkgdatadir)
 install_data('langs/javascript/biome.json', install_dir: pkgdatadir)
 install_data('project-readme.md', install_dir: pkgdatadir)
 subdir('libworkbench')