doc: updates changelog (#221)

* Update CHANGELOG.md

* Update CHANGELOG.md

CHANGELOG.md

@@ -1,3 +1,11 @@
+# v2.8.0.alpha
+
+* Added border-fill mode for the Fill Tool, accessible by holding CTRL. @mc-oofert
+* Find On Map, now starts a search by path. @mc-oofert
+* Added the Move Tool, which allows you to move a singular object. @mc-oofert
+* Added a basic autocorrect function to variable editing, which automatically encloses strings and lists @mc-oofert
+* Added a "Screenshot in Selection" checkbox to the Screenshot utility, which allows you to only screenshot the selected area by the Grab Tool. @mc-oofert
+
 # v2.7.4.alpha
 
 Fixed: whitespace duplication while parsing lists. @LemonInTheDark