Add tasks for all the new languages

Task/Terminal-control-Unicode-output/FunL/terminal-control-unicode-output.funl

@@ -0,0 +1,4 @@
+if map( v -> System.getenv(v), ["LC_ALL", "LC_CTYPE", "LANG"]).filter( (!= null) ).exists( ('UTF' in) )
+  println( '\u25b3' )
+else
+  println( 'Unicode not supported' )

Task/Terminal-control-Unicode-output/Lasso/terminal-control-unicode-output.lasso

@@ -0,0 +1,6 @@
+local(env_vars = sys_environ -> join('###'))
+if(#env_vars >> regexp(`(LANG|LC_ALL|LC_CTYPE).*?UTF.*?###`)) => {
+	stdout('UTF supported \u25b3')
+else
+	stdout('This terminal does not support UTF')
+}

Task/Terminal-control-Unicode-output/Nim/terminal-control-unicode-output.nim

@@ -0,0 +1,6 @@
+import os, strutils
+
+if "utf" in getEnv("LANG").toLower:
+  echo "Unicode is supported on this terminal and U+25B3 is: △"
+else:
+  echo "Unicode is not supported on this terminal."

Task/Terminal-control-Unicode-output/Sidef/terminal-control-unicode-output.sidef

@@ -0,0 +1,5 @@
+if (/\bUTF-?8/i ~~ [ENV{"LC_ALL","LC_CTYPE","LANG"}]) {
+    say "△"
+} else {
+    die "Terminal can't handle UTF-8.\n";
+}

Task/Terminal-control-Unicode-output/jq/terminal-control-unicode-output.jq

@@ -0,0 +1,15 @@
+def has_unicode_support:
+  def utf: if . == null then false else contains("UTF") or contains("utf") end;
+  env.LC_ALL
+  | if utf then true
+    elif . != null and . != "" then false
+    elif env.LC_CTYPE | utf then true
+    else env.LANG | utf
+    end ;
+
+def task:
+  if has_unicode_support then "\u25b3"
+  else error("HW65001 This program requires a Unicode-compatible terminal")
+  end ;
+
+task