fix: deterministic behaviour for radar by storing the random fractions when generating rd.json (#372)

* Store the random blip positions when generating rd.json

Fixes: https://github.com/AOEpeople/aoe_technology_radar/issues/148

Simple solution to creating stable blips is to store the randomly generated angle and radius in rg.json.

Attempted a few hash functions but found it hard to spread blips 'nicely'
(they tended to clump into groups or sections of the radar).

* distribute points within .1 and .9 of the arc

---------

Co-authored-by: Bastian Ike <bastian.ike@bare.id>

dist_scripts/scripts/generateJson/radar.js

@@ -199,6 +199,8 @@ var addRevisionToItem = function (item, revision) {
         quadrant: "",
         body: "",
         info: "",
+        angleFraction: Math.random(),
+        radiusFraction: Math.random()
     }; }
     var newItem = __assign(__assign(__assign({}, item), revision), { body: ignoreEmptyRevisionBody(revision, item) });
     if (revisionCreatesNewHistoryEntry(revision, item)) {