fix: various typos

Author: vlastahajek

examples/QueryAggregated/QueryAggregated.ino

@@ -1,7 +1,7 @@
 /**
  * QueryAggregated Example code for InfluxDBClient library for Arduino.
  * 
- * This example demonstrates querying basic aggreagated statistic parameters of WiFi signal level measured and stored in BasicWrite and SecureWrite examples.
+ * This example demonstrates querying basic aggregated statistic parameters of WiFi signal level measured and stored in BasicWrite and SecureWrite examples.
  * 
  * Demonstrates connection to any InfluxDB instance accesible via:
  *  - unsecured http://...

examples/QueryTable/QueryTable.ino

@@ -119,7 +119,7 @@ void loop() {
     Serial.print("  ");
     // Print values of the row
     for(FluxValue &val: result.getValues()) {
-      // Check wheter the value is null
+      // Check whether the value is null
       if(!val.isNull()) {
         // Use raw string, unconverted value
         Serial.print(val.getRawValue());