Add Creality CR-10

This definition was provided to me via e-mail. The initial data was badly formatted, so I corrected it and verified back with Michael Wildermuth that the new profile worked. Apparently it works, so thank you Michael.

resources/definitions/creality_cr10.def.json

@@ -0,0 +1,36 @@
+{
+    "id": "creality-cr10",
+    "name": "Creality CR-10",
+    "version": 2,
+    "inherits": "fdmprinter",
+    "metadata": {
+        "visible": true,
+        "author": "Michael Wildermuth",
+        "manufacturer": "Creality3D",
+        "category": "Other",
+        "file_formats": "text/x-gcode"
+    },
+    "overrides": {
+        "machine_width": {
+            "default_value": 300
+        },
+        "machine_height": {
+            "default_value": 400
+        },
+        "machine_depth": {
+            "default_value": 300
+        },
+        "machine_start_gcode": {
+            "default_value": "G21 ;metric values\nG90 ;absolute Positioning\nG28 ; home all axes\nG1 Z5 F3000 ; lift\nG1 X20 Y2 F1500 ; avoid binder clips\nG1 Z0.2 F3000 ; get ready to prime\nG92 E0 ; reset extrusion distance\nG1 X120 E10 F600 ; prime nozzle\nG1 X150 F5000 ; quick wipe"
+        },
+        "machine_end_gcode": {
+            "default_value": "G91\nG1 F1800 E-3\nG1 F3000 Z10\nG90\nG28 X0 Y0 ; home x and y axis\nM106 S0 ; turn off cooling fan\nM104 S0 ; turn off extruder\nM140 S0 ; turn off bed\nM84 ; disable motors"
+        },
+        "machine_heated_bed": {
+            "default_value": true
+        },
+        "gantry_height": {
+            "default_value": 30
+        }
+    }
+}