made the pack completely portable and wrote relevent bat files to go with it

gitportable/mingw64/lib/tcl8.6/tzdata/Pacific/Nauru

@@ -0,0 +1,9 @@
+# created by tools/tclZIC.tcl - do not edit
+
+set TZData(:Pacific/Nauru) {
+    {-9223372036854775808 40060 0 LMT}
+    {-1545131260 41400 0 +1130}
+    {-862918200 32400 0 +09}
+    {-767350800 41400 0 +1130}
+    {287418600 43200 0 +12}
+}