add gulp task for less compilation

.gitignore

@@ -2,6 +2,8 @@ Thumbs.db
 /deploy.exclude
 /deploy.sh
 /messages.mo
+/node_modules
+/package-lock.json
 *~
 *.DS_Store
 #*

.vscode/tasks.json

@@ -0,0 +1,11 @@
+{
+	"version": "2.0.0",
+	"tasks": [
+		{
+			"type": "gulp",
+			"task": "default",
+			"problemMatcher": [],
+			"label": "gulp: default"
+		}
+	]
+}

gulpfile.js

@@ -0,0 +1,24 @@
+// Less configuration
+const gulp = require('gulp');
+const less = require('gulp-less');
+
+gulp.task('less', function(cb) {
+  gulp
+    .src(['themes/compact.less', 'themes/compact_night.less',
+         'themes/light.less', 'themes/night_blue.less', 'themes/night.less'])
+    .pipe(less())
+    .pipe(
+      gulp.dest(function(f) {
+        return f.base;
+      })
+    );
+  cb();
+});
+
+gulp.task(
+  'default',
+  gulp.series('less', function(cb) {
+    gulp.watch(['themes/*.less', 'themes/*/*.less'], gulp.series('less'));
+    cb();
+  })
+);

package.json

@@ -0,0 +1,10 @@
+{
+  "name": "tt-rss",
+  "version": "1.0.0",
+  "description": "",
+  "devDependencies": {
+    "gulp": "^4.0.2",
+    "gulp-less": "^4.0.1",
+    "lessc": "^1.0.2"
+  }
+}

themes/compact.css

@@ -1882,4 +1882,3 @@ body.ttrss_main.ttrss_index.flat .post .header .title,
 body.ttrss_main.ttrss_index.flat .cdm .title {
   font-size: 13px ! important;
 }
-/*# sourceMappingURL=compact.css.map */

themes/compact_night.css

@@ -2117,4 +2117,3 @@ body.ttrss_main.ttrss_index.flat .post .header .title,
 body.ttrss_main.ttrss_index.flat .cdm .title {
   font-size: 13px ! important;
 }
-/*# sourceMappingURL=compact_night.css.map */

themes/light.css

@@ -1863,4 +1863,3 @@ body.ttrss_zoom div.post div.content pre {
   max-width: 98%;
   overflow: auto;
 }
-/*# sourceMappingURL=light.css.map */

themes/night.css

@@ -2099,4 +2099,3 @@ body.flat.ttrss_main #filterNewRuleDlg .dijitValidationTextAreaError {
 body.flat.ttrss_main #filterNewRuleDlg .dijitValidationTextArea:not(.dijitValidationTextAreaError) {
   background: #305030;
 }
-/*# sourceMappingURL=night.css.map */

themes/night_blue.css

@@ -2099,4 +2099,3 @@ body.flat.ttrss_main #filterNewRuleDlg .dijitValidationTextAreaError {
 body.flat.ttrss_main #filterNewRuleDlg .dijitValidationTextArea:not(.dijitValidationTextAreaError) {
   background: #305030;
 }
-/*# sourceMappingURL=night_blue.css.map */