impr(language): add more vim commands to the word list (@soycarlo99) (monkeytypegame#6330)

### Description

This pull request adds several new Vim commands to the monkeytype vim
plugin, enhancing the typing practice experience for users. The new
commands cover a wide range of Vim functionalities, including search,
text objects, substitution, alignment, indentation, and various text
manipulations.

* - Search forward for word under cursor # - Search backward for word
under cursor
ip - Inner paragraph text object
ap - A paragraph text object (including newline)
is - Inner sentence text object
as - A sentence text object (including trailing space) :%s/old/new/gc -
Substitute with confirmation
:center - Center align text
>> - Indent line
<< - Unindent line
= - Auto-indent
]p, ]P, [p, [P - Paste with automatic indentation
gP, gp - Paste and leave cursor after new text
g~ - Toggle case
gu - Make lowercase
gU - Make uppercase
gs - Go to sleep (pause) for n seconds
gJ - Join lines without space
g& - Repeat last substitution on all lines
gv - Reselect last visual selection
gn, gN - Search and visually select match
gi - Insert mode at the end of last insert
gI - Insert at start of line

### Checks

- [✅] If is a language, did you edit `_list.json`, `_groups.json` and
add `languages.json`?

Author: soycarlo99

frontend/static/languages/code_vim.json

@@ -140,6 +140,34 @@
     "zb",
     "zt",
     "zv",
-    "zz"
+    "zz",
+    "*",
+    "#",
+    "ip",
+    "ap",
+    "is",
+    "as",
+    ":%s/old/new/gc",
+    ":center",
+    ">>",
+    "<<",
+    "=",
+    "]p",
+    "]P",
+    "[p",
+    "[P",
+    "gP",
+    "gp",
+    "g~",
+    "gu",
+    "gU",
+    "gs",
+    "gJ",
+    "g&",
+    "gv",
+    "gn",
+    "gN",
+    "gi",
+    "gI"
   ]
 }