Added missing descriptions: Chapter 010

Signed-off-by: mrgarris0n <gergely.karacsonyi@gmail.com>

Author: mrgarris0n

doc/_admin-guide/010_Introduction_to_syslog-ng/001_What_syslog-ng_is_not.md

@@ -1,11 +1,11 @@
 ---
 title: What {{ site.product.short_name }} is not
 id: adm-intro-whatnot
+description: >-
+	The {{ site.product.short_name }} application is not log analysis software. It can filter
+	log messages and select only the ones matching certain criteria. It can
+	even convert the messages and restructure them to a predefined format,
+	or parse the messages and segment them into different fields. But
+	{{ site.product.short_name }} cannot interpret and analyze the meaning behind the messages,
+	or recognize patterns in the occurrence of different messages.
 ---
-
-The {{ site.product.short_name }} application is not log analysis software. It can filter
-log messages and select only the ones matching certain criteria. It can
-even convert the messages and restructure them to a predefined format,
-or parse the messages and segment them into different fields. But
-{{ site.product.short_name }} cannot interpret and analyze the meaning behind the messages,
-or recognize patterns in the occurrence of different messages.

doc/_admin-guide/010_Introduction_to_syslog-ng/003_Who_uses_syslog-ng.md

@@ -1,12 +1,13 @@
 ---
 title: Who uses {{ site.product.short_name }}?
 id: adm-intro-who
+description: >-
+	The {{ site.product.short_name }} application is used worldwide by companies and
+	institutions who collect and manage the logs of several hosts, and want
+	to store them in a centralized, organized way.
 ---
 
-The {{ site.product.short_name }} application is used worldwide by companies and
-institutions who collect and manage the logs of several hosts, and want
-to store them in a centralized, organized way. Using {{ site.product.short_name }} is
-particularly advantageous for:
+Using {{ site.product.short_name }} is particularly advantageous for:
 
 - Internet Service Providers
 

doc/_admin-guide/010_Introduction_to_syslog-ng/004_Supported_platforms.md

@@ -1,14 +1,14 @@
 ---
 title: Supported platforms
 id: adm-intro-supp
+description: >-
+	The {{ site.product.short_name }} application is highly
+	portable and is known to run on a wide range of hardware architectures
+	(x86, x86_64, SUN Sparc, PowerPC 32 and 64, Alpha, ARM64) and operating
+	systems, including Linux, BSD, Solaris, IBM AIX, HP-UX, macOS,
+	Cygwin, and others.
 ---
 
-The {{ site.product.short_name }} application is highly
-portable and is known to run on a wide range of hardware architectures
-(x86, x86_64, SUN Sparc, PowerPC 32 and 64, Alpha, ARM64) and operating
-systems, including Linux, BSD, Solaris, IBM AIX, HP-UX, macOS,
-Cygwin, and others.
-
 - The [[source code|gh-syslog-ng]] of {{ site.product.name }} is released under the GPLv2 license
 
 - For the available binary installation packages, see {{ site.product.name }} installation packages.

doc/_admin-guide/010_Introduction_to_syslog-ng/README.md

@@ -1,8 +1,8 @@
 ---
 title: Introduction to syslog-ng
 id: adm-intro
+description: >-
+	This chapter introduces the {{ site.product.name }} application in
+	a non-technical manner, discussing how and why is it useful, and the
+	benefits it offers to an existing IT infrastructure.
 ---
-
-This chapter introduces the {{ site.product.name }} application in
-a non-technical manner, discussing how and why is it useful, and the
-benefits it offers to an existing IT infrastructure.