Update home page and asciinema poster

Also remove trailing whitespace in all files

content/_index.md

@@ -1,9 +1,11 @@
 ---
 title: "Home"
 date: 2023-05-31T09:14:56-04:00
-draft: false
 ---
 
-Balki's Blog
+Just another dev blog.
-============
 
+* git: https://gitea.balki.me/balki
+* github: https://github.com/balki
+* Fediverse: https://social.balki.me/@balki `@balki@balki.me`
+* RSS: https://blog.balki.me/index.xml

content/posts/vim-stt/index.md

@@ -101,7 +101,7 @@ autocmd BufNewFile,BufRead cheat.sh nnoremap <buffer> <silent><2-LeftMouse> :Sen
 
 ### Demo
 
-{{< asciinema key="vimstt" >}}
+{{< asciinema key="vimstt" poster="npt:0:23" startAt="0:18" >}}
 
 ### Using