enh: installation tips on mac (#20024)

* enh: installation tips on mac

* docs: refine a few wording

* rename installation log file

---------
Co-authored-by: Nfacetosea <25808407@qq.com>
Co-authored-by: Shuduo Sang <sangshuduo@gmail.com>

packaging/tools/mac_before_install.txt

@@ -3,4 +3,7 @@ TDengine is an open-source, cloud-native time-series database optimized for Inte
 To configure TDengine : edit /etc/taos/taos.cfg
 To start service : launchctl start com.tdengine.taosd
 To start Taos Adapter : launchctl start com.tdengine.taosadapter
-To access TDengine : use taos in shell
\ No newline at end of file
+To access TDengine : use taos in shell
+
+If you're experiencing problems installing TDengine, check the file /var/log/taos/tdengine_install.log to help troubleshoot the installation.
+

packaging/tools/mac_before_install_client.txt

@@ -4,4 +4,6 @@ Once it's installed, please take the steps below:
 1: open a terminal/shell in Mac
 2: if connecting to Cloud Service, follow the instructions on your cloud service account and configure the environment variable
 3: if connecting to another TDengine Service, you can also view help information via "taos --help"
-4: execute command taos
\ No newline at end of file
+4: execute command taos
+
+If you're experiencing problems installing TDengine, check the file /var/log/taos/tdengine_install.log to help troubleshoot the installation.

packaging/tools/post.sh

@@ -48,7 +48,7 @@ fi
 
 data_link_dir="${install_main_dir}/data"
 log_link_dir="${install_main_dir}/log"
-install_log_path="${log_dir}/taos_install.log"
+install_log_path="${log_dir}/tdengine_install.log"
 
 # static directory
 cfg_dir="${install_main_dir}/cfg"