[docs] fixed javascript docs for overloaded functions (#247)

Solves #244 :


![image](https://github.com/lancedb/lancedb/assets/43097991/d1fd9d2a-0d6a-4c16-a0ab-f460cc709349)

Problem was function overloading in the interface caused some weird
`typedoc` formatting, so breaking it apart into methods fixed the issue.

Also regenerated and updated javascript docs

---------

Co-authored-by: Tevin Wang <tevin@cmu.edu>

docs/src/javascript/enums/MetricType.md

@@ -9,6 +9,7 @@ Distance metrics type.
 ### Enumeration Members
 
 - [Cosine](MetricType.md#cosine)
+- [Dot](MetricType.md#dot)
 - [L2](MetricType.md#l2)
 
 ## Enumeration Members
@@ -21,7 +22,19 @@ Cosine distance
 
 #### Defined in
 
-[index.ts:465](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L465)
+[index.ts:481](https://github.com/lancedb/lancedb/blob/7247834/node/src/index.ts#L481)
+
+___
+
+### Dot
+
+• **Dot** = ``"dot"``
+
+Dot product
+
+#### Defined in
+
+[index.ts:486](https://github.com/lancedb/lancedb/blob/7247834/node/src/index.ts#L486)
 
 ___
 
@@ -33,4 +46,4 @@ Euclidean distance
 
 #### Defined in
 
-[index.ts:460](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L460)
+[index.ts:476](https://github.com/lancedb/lancedb/blob/7247834/node/src/index.ts#L476)

docs/src/javascript/enums/WriteMode.md

@@ -2,11 +2,14 @@
 
 # Enumeration: WriteMode
 
+Write mode for writing a table.
+
 ## Table of contents
 
 ### Enumeration Members
 
 - [Append](WriteMode.md#append)
+- [Create](WriteMode.md#create)
 - [Overwrite](WriteMode.md#overwrite)
 
 ## Enumeration Members
@@ -15,9 +18,23 @@
 
 • **Append** = ``"append"``
 
+Append new data to the table.
+
 #### Defined in
 
-[index.ts:450](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L450)
+[index.ts:466](https://github.com/lancedb/lancedb/blob/7247834/node/src/index.ts#L466)
+
+___
+
+### Create
+
+• **Create** = ``"create"``
+
+Create a new [Table](../interfaces/Table.md).
+
+#### Defined in
+
+[index.ts:462](https://github.com/lancedb/lancedb/blob/7247834/node/src/index.ts#L462)
 
 ___
 
@@ -25,6 +42,8 @@ ___
 
 • **Overwrite** = ``"overwrite"``
 
+Overwrite the existing [Table](../interfaces/Table.md) if presented.
+
 #### Defined in
 
-[index.ts:449](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L449)
+[index.ts:464](https://github.com/lancedb/lancedb/blob/7247834/node/src/index.ts#L464)