chore: slim down ext framework tree

Author: themightychris

.holo/branches/emergence-site/_skeleton-v2.toml

@@ -1,6 +1,13 @@
 [holomapping]
 files = [
     "*/**",
-    "!php-config/Git.config.d/"
+    "!php-config/Git.config.d/",
+    "!sencha-workspace/ext/**/rtl/**",
+    "!sencha-workspace/ext/**/test/**",
+    "!sencha-workspace/ext/classic/theme-aria/**",
+    "!sencha-workspace/ext/classic/theme-classic/**",
+    "!sencha-workspace/ext/classic/theme-classic-sandbox/**",
+    "!sencha-workspace/ext/classic/theme-gray/**",
+    "!sencha-workspace/ext/modern/theme-*/**"
 ]
 before = "*"