demos: type faster, pause more

I find it frustrating to wait for the typing, but I need much more
time to think between commands (and users who are new to the tool
surely need even more time).

README.md

@@ -31,8 +31,8 @@ Features:
    
    <details>
    <summary>Demo</summary>
-   <a href="https://asciinema.org/a/3LEDzGEmEGnf0sTsvyHm41Jgu" target="_blank">
-   <img src="https://asciinema.org/a/3LEDzGEmEGnf0sTsvyHm41Jgu.svg" />
+   <a href="https://asciinema.org/a/C5TKUes95yHCiGvtzkisDNGsz" target="_blank">
+   <img src="https://asciinema.org/a/C5TKUes95yHCiGvtzkisDNGsz.svg" />
    </a>
    </details>
 

demos/demo_git_compat.sh

@@ -9,9 +9,13 @@ run_demo '
 run_command "# Clone a Git repo:"
 run_command "jj git clone https://github.com/octocat/Hello-World"
 run_command "cd Hello-World"
+sleep 1
 run_command "# Inspect it:"
+sleep 1
 run_command "jj log"
+sleep 5
 run_command "jj diff -r b1"
+sleep 2
 run_command "# The repo is backed by the actual Git repo:"
 run_command "git --git-dir=.jj/store/git log --graph --all --decorate --oneline"
 '

demos/demo_helpers.tcl

@@ -1,4 +1,4 @@
-set send_human {0.1 0.3 1 0.05 1}
+set send_human {0.05 0.1 1 0.05 1}
 set timeout 2
 
 proc expect_prompt {} {