DAE Tools update to tools.json (#721)

* DAE Tools update to tools.json

* Added DAE Tools logo

* Delete static/assets/images/daetools-logo.png

* Added DAE Tools logo

* Updated tools.json with DAE Tools logo

Author: ciroki

static/assets/images/logos/daetools-logo.png

@@ -1083,14 +1083,15 @@
     },
     {
         "name": "DAE Tools",
-        "license": "commercial",
-        "url": "https://www.daetools.com",
+        "license": "osi",
+        "url": "https://daetools.sourceforge.io",
         "vendor": "DAE Tools",
-        "vendorURL": "https://www.daetools.com",
-        "description": "",
+        "vendorURL": "https://daetools.sourceforge.io",
+	"logo": "daetools-logo.png",
+        "description": "Equation-based object-oriented modelling, simulation and optimisation software",
         "features": [],
         "platforms": [
-            "Windows"
+            "Windows", "Linux"
         ],
         "fmiVersions": [
             "2.0"