chore(docs): Add demo videos in generic chaos experiments (#257)

chore(docs): Add demo videos in generic chaos experiments

Signed-off-by: Shreyangi <shreyangi.saxena@mayadata.io>

charts/generic/disk-fill/disk-fill.chartserviceversion.yaml

@@ -36,8 +36,8 @@ spec:
     - name: Documentation
       url: https://docs.litmuschaos.io/docs/disk-fill/
     - name: Video
-      url:
+      url: https://www.youtube.com/watch?v=pbok737rUPQ
   icon:
     - url: 
       mediatype: ""
-  chaosexpcrdlink: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/charts/generic/disk-fill/experiment.yaml
+  chaosexpcrdlink: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/charts/generic/disk-fill/experiment.yaml

charts/generic/node-cpu-hog/node-cpu-hog.chartserviceversion.yaml

@@ -37,8 +37,8 @@ spec:
     - name: Documentation
       url: https://docs.litmuschaos.io/docs/node-cpu-hog/
     - name: Video
-      url:
+      url: https://www.youtube.com/watch?v=jpJttftsZqA
   icon: 
     - url: 
       mediatype: ""
-  chaosexpcrdlink: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/charts/generic/node-cpu-hog/experiment.yaml
+  chaosexpcrdlink: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/charts/generic/node-cpu-hog/experiment.yaml

charts/generic/node-drain/node-drain.chartserviceversion.yaml

@@ -37,8 +37,8 @@ spec:
     - name: Documentation
       url: https://docs.litmuschaos.io/docs/node-drain/
     - name: Video
-      url:
+      url: https://www.youtube.com/watch?v=LQVCZUQ4-ok
   icon:
     - url: ""
       mediatype: ""
-  chaosexpcrdlink: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/charts/generic/node-drain/experiment.yaml
+  chaosexpcrdlink: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/charts/generic/node-drain/experiment.yaml

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

@@ -36,7 +36,7 @@ spec:
     - name: Documentation
       url: https://docs.litmuschaos.io/docs/node-memory-hog/
     - name: Video
-      url:
+      url: https://www.youtube.com/watch?v=ECxlWgQ8F5w
   icon:
     - url: ""
       mediatype: ""

charts/generic/pod-memory-hog/pod-memory-hog.chartserviceversion.yaml

@@ -35,7 +35,7 @@ spec:
     - name: Documentation
       url: https://docs.litmuschaos.io/docs/pod-memory-hog/
     - name: Video
-      url: 
+      url: https://www.youtube.com/watch?v=HuAXg8W5Tzo 
   icon:
     - base64data: ""
       mediatype: ""