Add yhirose.FilterText extension

Signed-off-by: Eric Masseran <rico.masseran@gmail.com>

Author: Morikko

extensions.json

@@ -1581,6 +1581,9 @@
   "ybaumes.highlight-trailing-white-spaces": {
     "repository": "https://github.com/yifu/highlight-trailing-whitespaces"
   },
+  "yhirose.FilterText": {
+    "repository": "https://github.com/yhirose/vscode-filtertext"
+  },
   "yzane.markdown-pdf": {
     "repository": "https://github.com/yzane/vscode-markdown-pdf"
   },