add win32-fonts to meson-based windows build

This commit is to enable plugin to be build with meson for Windows
(mingw64) build.

Signed-off-by: Vadim Lomovtsev <jelezny@gmail.com>

plugins/meson.build

@@ -4,3 +4,6 @@ subdir('notification-sound')
 subdir('omemo')
 subdir('openpgp')
 subdir('rtp')
+if host_machine.system() == 'windows'
+    subdir('win32-fonts')
+endif

plugins/win32-fonts/data/gresource.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<gresources>
+  <gresource prefix="/im/dino/Dino/win32-fonts">
+    <file>larger.css</file>
+  </gresource>
+</gresources>

plugins/win32-fonts/meson.build

@@ -0,0 +1,41 @@
+dependencies = [
+  dep_dino,
+  dep_gee,
+  dep_glib,
+  dep_gmodule,
+  dep_gtk4,
+  dep_libadwaita,
+  dep_qlite,
+  dep_xmpp_vala,
+]
+
+sources = files(
+  'src/plugin.vala',
+  'src/register_plugin.vala',
+)
+
+sources += gnome.compile_resources(
+  'resources', 
+  'data/gresource.xml',
+  source_dir: 'data',
+)
+
+c_args = []
+vala_args = []
+if dep_libadwaita.version() == 'unknown' or dep_libadwaita.version().version_compare('>=1.2')
+    vala_args += ['-D', 'Adw_1_2']
+endif
+if dep_gtk4.version() == 'unknown' or dep_gtk4.version().version_compare('>=4.6')
+    vala_args += ['-D', 'GTK_4_6']
+endif
+if dep_gtk4.version() == 'unknown' or dep_gtk4.version().version_compare('>=4.8')
+    vala_args += ['-D', 'GTK_4_8']
+endif
+
+link_args = []
+if host_machine.system() == 'windows'
+  link_args += ['-Wl,--export-all-symbols']
+endif
+
+libwin32_fonts = shared_library('win32-fonts', sources: sources, name_prefix:'', c_args: c_args, vala_args:vala_args, dependencies: dependencies, install: true, install_dir: get_option('libdir')/'dino/plugins', link_args: link_args)
+dep_win32_fonts = declare_dependency(link_with: libwin32_fonts, include_directories: include_directories('.'))