Use correct separator in keywords.txt

The Arduino IDE currently requires the use of a tab separator between the name and identifier. Without this tab the keyword is not highlighted.

Reference:
https://github.com/arduino/Arduino/wiki/Arduino-IDE-1.5:-Library-specification#keywords

keywords.txt

@@ -1,22 +1,22 @@
-Basecamp KEYWORD1
-WebServer KEYWORD1
-WifiControl KEYWORD1
-Configuration KEYWORD1
-configuration KEYWORD1
+Basecamp	KEYWORD1
+WebServer	KEYWORD1
+WifiControl	KEYWORD1
+Configuration	KEYWORD1
+configuration	KEYWORD1
 
-checkResetReason KEYWORD2
+checkResetReason	KEYWORD2
 addInterfaceElement	KEYWORD2
-setInterfaceElementAttribute KEYWORD2
-setAttribute KEYWORD2
-OTAHandling KEYWORD2
-load KEYWORD2
-save KEYWORD2
-dump KEYWORD2
-reset KEYWORD2
-get KEYWORD2
-set KEYWORD2
-begin KEYWORD2
-status KEYWORD2
-connect KEYWORD2
-disconnect KEYWORD2
-getIP KEYWORD2
+setInterfaceElementAttribute	KEYWORD2
+setAttribute	KEYWORD2
+OTAHandling	KEYWORD2
+load	KEYWORD2
+save	KEYWORD2
+dump	KEYWORD2
+reset	KEYWORD2
+get	KEYWORD2
+set	KEYWORD2
+begin	KEYWORD2
+status	KEYWORD2
+connect	KEYWORD2
+disconnect	KEYWORD2
+getIP	KEYWORD2