Move art for tracking

.gitattributes

@@ -1,2 +1,4 @@
 *.pdf filter=lfs diff=lfs merge=lfs -text
 *.ttf filter=lfs diff=lfs merge=lfs -text
+*.kra filter=lfs diff=lfs merge=lfs -text
+*.jpg filter=lfs diff=lfs merge=lfs -text

.gitignore

@@ -1 +1,2 @@
-REFERENCE
+REFERENCE
+*~

ILLUSTRATION/.gitkeep.md

@@ -0,0 +1,4 @@
+## ILLUSTRATION/
+
+Static graphics used in the project.
+

elp_wdsh_rural-ridge.svg

@@ -23440,7 +23440,7 @@
        width="283.67816"
        height="90.344826"
        preserveAspectRatio="none"
-       xlink:href="REFERENCE/sketch_helmet-mushroom.jpg"
+       xlink:href="ILLUSTRATION/sketch_helmet-mushroom.jpg"
        id="image2"
        x="125.88054"
        y="571.37598"
@@ -23450,7 +23450,7 @@
        width="283.67816"
        height="90.344826"
        preserveAspectRatio="none"
-       xlink:href="REFERENCE/sketch_helmet-mushroom.jpg"
+       xlink:href="ILLUSTRATION/sketch_helmet-mushroom.jpg"
        id="image3"
        x="196.57681"
        y="571.37598"
@@ -23459,7 +23459,7 @@
        width="283.67816"
        height="90.344826"
        preserveAspectRatio="none"
-       xlink:href="REFERENCE/sketch_helmet-mushroom.jpg"
+       xlink:href="ILLUSTRATION/sketch_helmet-mushroom.jpg"
        id="image1"
        x="179.08008"
        y="789.6123"