update blockids in wsh commands to use -b (#63)

Author: sawka

docs/index.mdx

@@ -15,11 +15,11 @@ use [Github Issues](https://github.com/wavetermdev/waveterm/issues).  These docs
 
 References:
 
+* [Widgets](./widgets)
 * [Configuration](./config)
 * [Key Bindings](./keybindings)
-* [Wsh](./wsh)
+* [wsh command](./wsh)
 * [Telemetry](./telemetry)
-* [Widgets](./widgets)
 * [FAQ](./faq)
 
 <!--

docs/wsh.mdx

@@ -36,24 +36,32 @@ This will open up codeedit for the specified file.  This is useful for quickly e
 You can view the metadata of any block by running:
 
 ```
-wsh getmeta [blockid]
+wsh getmeta -b [blockid]
 ```
 
 This is especially useful for preview and web blocks as you can see the file or url that they are pointing to and use that in your CLI scripts.
 
+blockid format:
+
+* this -- the current block (this is also the default)
+* tab -- the id of the current tab
+* d6ff4966-231a-4074-b78a-20acc7226b41 -- a full blockid is a UUID
+* a67f55a3 -- blockids may be truncated to the first 8 characters
+* 5 -- if a number less than 100 is given, it is a block number.  blocks are numbered sequentially in the current tab from the top-left to bottom-right.  holding Ctrl:Shift will show a block number overlay.
+
 ---
 
 ## setmeta
 
 You can update any metadata key value pair for blocks (and tabs) by using the setmeta command:
 
 ```
-wsh setmeta [blockid] [key]=[value]
-wsh setmeta [blockid] file=~/myfile.txt
-wsh setmeta [blockid] url=https://waveterm.dev/
+wsh setmeta -b [blockid] [key]=[value]
+wsh setmeta -b [blockid] file=~/myfile.txt
+wsh setmeta -b [blockid] url=https://waveterm.dev/
 ```
 
-You can get block and tab ids by right clicking on the appropriate block and selecting "Copy BlockId".  When you
+You can get block and tab ids by right clicking on the appropriate block and selecting "Copy BlockId" (or use the block number via Ctrl:Shift).  When you
 update the metadata for a preview or web block you'll see the changes reflected instantly in the block.
 
 Other useful metadata values to override block titles, icons, colors, themes, etc.
@@ -63,7 +71,7 @@ Other useful metadata values to override block titles, icons, colors, themes, et
 ## deleteblock
 
 ```
-wsh deleteblock [blockid]
+wsh deleteblock -b [blockid]
 ```
 
 This will delete the block with the specified id.