bump version to 1.0.21

cli/hero.v

@@ -51,7 +51,7 @@ fn do() ! {
 	mut cmd := Command{
 		name:        'hero'
 		description: 'Your HERO toolset.'
-		version:     '1.0.20'
+		version:     '1.0.21'
 	}
 
 	// herocmds.cmd_run_add_flags(mut cmd)

install_hero.sh

@@ -4,7 +4,7 @@ set -e
 
 os_name="$(uname -s)"
 arch_name="$(uname -m)"
-version='1.0.20'
+version='1.0.21'
 
 
 # Base URL for GitHub releases

lib/web/docusaurus/config.v

@@ -45,6 +45,7 @@ pub mut:
 	metadata       MainMetadata
 	build_dest     []string @[json: 'buildDest']
 	build_dest_dev []string @[json: 'buildDestDev']
+	copyright string = "someone"
 }
 
 // Navbar config structures