Add tasks for all the new languages

Task/Take-notes-on-the-command-line/Phix/take-notes-on-the-command-line.phix

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+constant cmd = command_line()
+constant filename = "notes.txt"
+integer fn
+object line
+if length(cmd)<3 then
+    fn = open(filename,"r")
+    if fn!=-1 then
+        while 1 do
+            line = gets(fn)
+            if atom(line) then exit end if
+            puts(1,line)
+        end while
+        close(fn)
+    end if
+else
+    fn = open(filename,"a") -- if such file doesn't exist it will be created
+    printf(fn,"%d-%02d-%02d %d:%02d:%02d\n",date())
+    printf(fn,"\t%s\n",join(cmd[3..$]))
+    close(fn)
+end if