docs: improve README

README.md

@@ -1 +1,4 @@
 # Plugins
+
+- [smart-filter.yazi](smart-filter.yazi) - Makes filters smarter: continuous filtering, automatically enter unique directory, open file on submitting.
+- [jump-to-char.yazi](jump-to-char.yazi) - Vim-like `f<char>`, jump to the next file whose name starts with `<char>`.

jump-to-char.yazi/README.md

@@ -1,6 +1,6 @@
 # jump-to-char.yazi
 
-TODO: add description
+Vim-like `f<char>`, jump to the next file whose name starts with `<char>`.
 
 ## Installation