Updated README.

README.md

@@ -13,21 +13,32 @@ mode and supports:
 - `w` move forward by word
 - `b` move backward by word
 - `e` move to the end of the current or next word
+- `ge` move backward to the end of the previous word
+- `G` go to the last line, or a counted line such as `10G`
+- `gg` go to the first line, or a counted line such as `10gg`
+- `^` move to the first non-blank character on the line
 - `x` delete the character under the cursor
 - `dd` delete the current line
 - `d$` or `D` delete from the cursor to the end of the line
 - `dw` delete forward by word
 - `db` delete backward by word
+- `yw` yank forward by word
+- `yb` yank backward by word
+- `y$` yank from the cursor to the end of the line
 - `cw` change word
 - `cc` change the current line
 - `C` change from the cursor to the end of the line
 - `s` substitute the character under the cursor
 - `r` replace the character under the cursor
 - `yy` yank the current line
-- `p` paste the yanked or deleted line below the cursor
+- `p` paste line-wise yanks/deletes below the cursor, or character-wise
+  yanks/deletes after the cursor
+- `J` join the current line with the next line
 - `o` open a new line below and enter insert mode
 - `O` open a new line above and enter insert mode
 - `u` undo the last change
+- `.` repeat the last change
+- `/pattern`, `?pattern`, `n`, and `N` for literal text search
 - numeric prefixes for common commands, such as `2dd`, `20yy`, `3p`, `5j`,
   `4x`, `5w`, `5dw`, `3rX`, and `2s`
 - `Esc` return to command mode