misc: Update README and demonstration

Author: jmooring

.gitignore

@@ -1,10 +1,3 @@
 .hvm
-.markdownlint.yaml
+/assets/hvm.gif
 /dist
-/hvm
-cover.out
-NOTES.md
-release-header.md
-public/
-resources/
-.hugo_build.lock

README.md

@@ -7,7 +7,7 @@
 
 Hugo Version Manager (hvm) is a tool that helps you download, manage, and switch between different versions of the [Hugo][] static site generator. You can also use hvm to install Hugo as a standalone application.
 
-![Demonstration](assets/hvm.gif)
+![Demonstration](assets/hvm.webp)
 
 You can use hvm to:
 
@@ -81,13 +81,13 @@ Available Commands:
   remove      Remove the default version
   status      Display the status
   use         Select or specify a version to use in the current directory
-  version     Display the hvm version
+  version     Display the hvm version and check for a newer release
 
 Flags:
   -h, --help      Display help
   -v, --version   Display the hvm version
 
-Use "hvm [command] --help" for more information about a command
+Use "hvm [command] --help" for more information about a command.
 ```
 
 ## Configuration

assets/hvm.gif

@@ -4,8 +4,11 @@
 #   sudo snap install ttyd --classic
 #   vhs hvm.tape
 #
-# Then optimize with https://ezgif.com/optimize using the "combined" option
-# with compression level of 35 and fuzz percentage of 2.
+# Then compress with gif2webp:
+#
+#   gif2webp -mixed -m 6 -q 50 -kmin 0 -kmax 0 -min_size hvm.gif -o hvm.webp
+#
+# -----------------------------------------------------------------------------
 
 # Output
 Output hvm.gif