fix datetime and readme

modules/battery

@@ -26,7 +26,7 @@ cat $BATS | gawk -F '=' '
         if (status == "") {
             status = $2
             if (status == "Discharging") {
-                status = "↓"
+                status = ""
             } else if (status == "Charging") {
                 status = "⚡"
             } else {

modules/datetime

@@ -1,13 +1,17 @@
 #!/bin/bash
 
-FULL=$(date '+%A, %_d.%_m.  %_H:%M:%S')
-SHORT=$(date '+%_H:%M')
-a=$I3_LONG_DATETIME/1
+FULL=$(date '+%A %-d.%-m.%Y W%V,  %-H:%M:%S')
+SHORT=$(date '+%-H:%M')
+
 [[ "$BLOCK_INSTANCE" == "short" ]] && export I3_LONG_DATETIME=false 
-a+=$I3_LONG_DATETIME/2
-[[ "$BLOCK_BUTTON" == "1" && $I3_LONG_DATETIME == "true" ]] && echo a; export I3_LONG_DATETIME=false;
-a+=$I3_LONG_DATETIME/3
-[[ "$BLOCK_BUTTON" == "1" && $I3_LONG_DATETIME == "false" ]] && echo b; export I3_LONG_DATETIME=true;
-a+=$I3_LONG_DATETIME/4
-echo $a
+
+if [[ "$BLOCK_BUTTON" == "1" ]]; then
+    if [[ "$I3_LONG_DATETIME" == "true" ]]; then
+        export I3_LONG_DATETIME=false
+    else
+        export I3_LONG_DATETIME=true
+    fi
+fi
+
 [[ "$I3_LONG_DATETIME" == "true" ]] && echo $FULL || echo $SHORT
+echo $SHORT