chore(extensions-docs): update extensions doc assets to recent development state (#149)

diff --git a/docs/pe/org.apache.streampipes.sinks.internal.jvm.notification.md b/docs/pe/org.apache.streampipes.sinks.internal.jvm.notification.md
index 0dd3b0e..f29391c 100644
--- a/docs/pe/org.apache.streampipes.sinks.internal.jvm.notification.md
+++ b/docs/pe/org.apache.streampipes.sinks.internal.jvm.notification.md
@@ -52,6 +52,12 @@
 
 The notification message.
 
+### Silent Period
+
+The *Silent Period* is the duration, expressed in minutes, during which notifications are temporarily disabled after one
+has been sent. This feature is implemented to prevent overwhelming the target with frequent notifications, avoiding
+potential spam behavior.
+
 ## Output
 
 (not applicable for data sinks)
\ No newline at end of file
diff --git a/docs/pe/org.apache.streampipes.sinks.notifications.jvm.email.md b/docs/pe/org.apache.streampipes.sinks.notifications.jvm.email.md
index ff786cb..72393be 100644
--- a/docs/pe/org.apache.streampipes.sinks.notifications.jvm.email.md
+++ b/docs/pe/org.apache.streampipes.sinks.notifications.jvm.email.md
@@ -36,7 +36,7 @@
 
 Before you use this sink, the settings of your email server need to be configured.
 After you've installed the element, navigate to ``Settings``, open the panel ``Sinks Notifications JVM`` and add your
- mail server and credentials.
+mail server and credentials.
 
 ***
 
@@ -62,6 +62,12 @@
 
 The mail text.
 
+### Silent Period
+
+The *Silent Period* is the duration, expressed in minutes, during which notifications are temporarily disabled after one
+has been sent. This feature is implemented to prevent overwhelming the target with frequent notifications, avoiding
+potential spam behavior.
+
 ## Output
 
 (not applicable for data sinks)
\ No newline at end of file
diff --git a/docs/pe/org.apache.streampipes.sinks.notifications.jvm.msteams.md b/docs/pe/org.apache.streampipes.sinks.notifications.jvm.msteams.md
index 8b819b8..2090564 100644
--- a/docs/pe/org.apache.streampipes.sinks.notifications.jvm.msteams.md
+++ b/docs/pe/org.apache.streampipes.sinks.notifications.jvm.msteams.md
@@ -63,6 +63,12 @@
 
 Choose the format that best suits your messaging needs.
 
+### Silent Period
+
+The *Silent Period* is the duration, expressed in minutes, during which notifications are temporarily disabled after one
+has been sent. This feature is implemented to prevent overwhelming the target with frequent notifications, avoiding
+potential spam behavior.
+
 ---
 
 ## Usage
diff --git a/docs/pe/org.apache.streampipes.sinks.notifications.jvm.slack.md b/docs/pe/org.apache.streampipes.sinks.notifications.jvm.slack.md
index ffd6b0c..7336200 100644
--- a/docs/pe/org.apache.streampipes.sinks.notifications.jvm.slack.md
+++ b/docs/pe/org.apache.streampipes.sinks.notifications.jvm.slack.md
@@ -61,7 +61,6 @@
 
 The message that should be sent.
 
-
 ## Output
 
 (not applicable for data sinks)
\ No newline at end of file