enh: installation tips on mac (#20024)

* enh: installation tips on mac

* docs: refine a few wording

* rename installation log file

---------

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

packaging/tools/mac_before_install.txt

@@ -4,3 +4,6 @@ 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
+
+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

@@ -5,3 +5,5 @@ Once it's installed, please take the steps below:
 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
+
+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"