added math ops

Author: bandinopla

README.md

@@ -20,3 +20,11 @@ These are the nodes currently "done" (room for improvement)...
 - Scene Preview
 - (incomplete) MeshStandardNode shader node. ( only colorNode property )
 - Image texture node
+- Some math operations: 
+    - \+
+    - \-
+    - \*
+    - \/
+    - \%
+    - \=\=
+    - != 

package.json

@@ -1,7 +1,7 @@
 {
   "name": "tsl-nodes",
   "private": true,
-  "version": "0.0.1",
+  "version": "0.0.2",
   "type": "module",
   "repository": {
     "type": "git",