add TSL2591, gitignore

.gitignore

@@ -0,0 +1,28 @@
+### macOS ###
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk

components/i2c/TSL2591/definition.json

@@ -0,0 +1,11 @@
+{
+  "displayName": "TSL2591",
+  "i2cAddresses": [ "0x29", "0x39", "0x49" ],
+  "subcomponents": [
+    {
+      "displayName": "Light Sensor",
+      "sensorType": "light",
+      "defaultPeriod": 900
+    }
+  ]
+}