Chore(ec2): Add charts for ec2 terminate experiment-by-id and ec2-terminate-by-tag (#440)

* Chore(ec2): Add charts for ec2 terminate experiment-by-id and ec2-terminate-by-tag

Signed-off-by: uditgaurav <udit@chaosnative.com>

* add ec2 terminates by id and tag in pkg and csv

Signed-off-by: uditgaurav <udit@chaosnative.com>

charts/generic/node-memory-hog/experiment.yaml

@@ -62,7 +62,10 @@ spec:
     ## Specify the amount of memory to be consumed in mebibytes
     ## NOTE: for selecting this option keep MEMORY_CONSUMPTION_PERCENTAGE empty
     - name: MEMORY_CONSUMPTION_MEBIBYTES
-      value: ''   
+      value: ''
+
+    - name: NUMBER_OF_WORKERS
+      value: '1'
 
     # ENTER THE COMMA SEPARATED TARGET NODES NAME
     - name: TARGET_NODES