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

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

@@ -0,0 +1,16 @@
+# created by tools/tclZIC.tcl - do not edit
+
+set TZData(:Pacific/Tongatapu) {
+    {-9223372036854775808 44352 0 LMT}
+    {-767189952 44400 0 +1220}
+    {-284041200 46800 0 +13}
+    {915102000 46800 0 +13}
+    {939214800 50400 1 +13}
+    {953384400 46800 0 +13}
+    {973342800 50400 1 +13}
+    {980596800 46800 0 +13}
+    {1004792400 50400 1 +13}
+    {1012046400 46800 0 +13}
+    {1478350800 50400 1 +13}
+    {1484398800 46800 0 +13}
+}